Looking for Trong phòng thí nghiệm, một nhóm học sinh làm thí nghiệm như sau: Bước 1: Cho 5 ml dung dịch CuSO4 vào 10 ml dung dịch NaOH. Gạn lấy kết tủa Bước 2: Chia kết tủa làm hai phần bằng nhau vào hai ống nghiệm đánh số (1), (2). Lấy 10 mL et

Grid List

Auction

Action pro 2 man tent ⛺️

Owner

Pont-y-pŵl
21.12.2025 118350

£ 30

Distribuie

Auction

Vintage 1972 Ladies Raleigh Traditional...

Owner

Hastings
21.12.2025 115763

£ 45

Distribuie

Auction

iPhone 6s +

Owner

Brislington
21.12.2025 116586

£ 20

Distribuie

Auction

SDC STACK OF x5 FLAT TRAILERS

Owner

Belper
21.12.2025 118154

£ 18500

Distribuie

Auction

Alan

Owner

Bailleston
21.12.2025 113521

£ 350

Distribuie

Auction

Kids. Bike

Owner

Aberdeen
21.12.2025 116404

£ 30

Distribuie

Auction

3 x Titleist Pro V1 (A Grade) with Golf...

Owner

Alcester
21.12.2025 116865

£ 7

Distribuie

Auction

Desk 120 x 55 cm Metal frame and legs wi...

Owner

Barking and Dagenham
21.12.2025 115927

£ 50

Distribuie

Auction

Suzuki, SFV, 2009, 645 (cc)

Owner

Ashington
21.12.2025 113982

£ 1700

Distribuie

Auction

Static Caravan Pemberton Lucerne 39x13 2...

Owner

Bradford-on-Avon
21.12.2025 118466

£ 15000

Distribuie

Direct Sale

Claim Your $900 Daily — Only 2 Hours of...

Owner

Kensington
20.12.2025 52922

£ 900

Distribuie

Auction

Affordable Construction Waste Removal in...

Roger Waste Management

London
20.12.2025 51957

£ 1

Distribuie

Direct Sale

Swimsuit for women

Owner

Barking and Dagenham
20.12.2025 52005

£ 5

Distribuie

Auction

Rangemaster Elan gas & electric cooker f...

Owner

Aberdeen
20.12.2025 116977

£ 300

Distribuie

Direct Sale

"Freedom is 2 Hours Away: Make $900 Dail...

Owner

Kensington
20.12.2025 52785

£ 900

Distribuie

Direct Sale

Make $900 a Day in Just 2 Hours — All Yo...

Owner

Kensington
20.12.2025 51201

£ 900

Distribuie

Direct Sale

From WiFi to Wealth: $900 Daily in Just...

Owner

Kensington
20.12.2025 51702

£ 900

Distribuie

Direct Sale

"Work Smarter, Not Harder: $900 a Day in...

Owner

Kensington
20.12.2025 51612

£ 900

Distribuie

Auction

Electric drill

Owner

Aberdeen
20.12.2025 115043

£ 20

Distribuie

Auction

Kids water slide

Owner

Cambridge
20.12.2025 116356

£ 50

Distribuie

Auction

18 19" Inch RS3 Audi style wheels A3 A4...

Owner

Aberdeen
20.12.2025 115919

£ 450

Distribuie

Auction

Hi Gear Horizon 700 AIR Nightfall Tent L...

Owner

Biddulph
20.12.2025 119280

£ 450

Distribuie

Auction

Insta360 X3 Bundle Plus Tripod & Bike Mo...

Owner

Baguley
20.12.2025 118856

£ 475

Distribuie

Auction

Can Deliver - Samsung Laptop with Window...

Owner

Baguley
20.12.2025 119096

£ 180

Distribuie

Auction

Nokia 105 4G, Dual sim, Brand NEW, Boxed...

Owner

Barking and Dagenham
20.12.2025 116159

£ 25

Distribuie

Auction

Mr

Owner

Aberdeen
20.12.2025 115073

£ 50

Distribuie

Auction

Panasonic wireless phone with voice mail

Owner

Bath
20.12.2025 114696

£ 20

Distribuie

Auction

Mint 2016 DUCATI MONSTER 821 mint bike

Owner

Aberdeen
20.12.2025 115412

£ 6100

Distribuie

Auction

Sell me your Herman Miller Aeron mesh ch...

Owner

Barking and Dagenham
20.12.2025 118633

£ 200

Distribuie

Auction

iPhone 15 plus pink 512GB brand new, uno...

Owner

Aberdeen
20.12.2025 119374

£ 850

Distribuie

Auction

SPAIN SPANISH+LHD LEFT HAND DRIVE+2016 D...

Owner

Aberdeen
20.12.2025 116796

£ 7495

Distribuie

Auction

LAND ROVER DISCOVERY 2.7 Diesel V6 Break...

Owner

Dunstable
20.12.2025 119582

£ 1

Distribuie

Auction

WORKSHOP LIGHT INDUSTRIAL SELF CONTAINED...

Owner

Barking and Dagenham
20.12.2025 117889

£ 2900

Distribuie

Auction

Swift Conqueror 560 Rear Island Bed Midd...

Owner

Aberdeen
20.12.2025 119081

£ 18999

Distribuie

Auction

Bayswater Three Bedroom Two bathroom apa...

Owner

Barking and Dagenham
20.12.2025 118709

£ 4578

Distribuie

Auction

AntarLab design tote bags

Owner

Barking and Dagenham
20.12.2025 120183

£ 8

Distribuie

Auction

* 5 Bed 5 Bath HMO – Ultimate Returns of...

Owner

Andover
20.12.2025 117323

£ 100000

Distribuie

Auction

1951 Innocenti Lambretta 125 Model C

Owner

Addlestone
20.12.2025 119867

£ 4795

Distribuie

Auction

HONDA CB1300 CB 1300 2009

Owner

Bromsgrove
20.12.2025 117502

£ 4990

Distribuie

Auction

Panasonic Lumix DC-FZ82

Owner

Barking and Dagenham
20.12.2025 119370

£ 250

Distribuie

Auction

Outdoor car cover.

Owner

Fern Down
20.12.2025 119290

£ 150

Distribuie

Auction

Matching set 215 70 15 conti van tyres 7...

Owner

Giffnock
20.12.2025 120054

£ 160

Distribuie

Auction

(4X) Dell Cooling Fan R836J 0R836J, CN-R...

Owner

Barking and Dagenham
20.12.2025 117059

£ 30

Distribuie

Auction

DELL PSU PH-03MJJP-16298 7001515 Z1100P...

Owner

Barking and Dagenham
20.12.2025 119422

£ 20

Distribuie

Auction

South Kensington Deluxe Two Bedroom Apar...

Owner

Barking and Dagenham
20.12.2025 117382

£ 2373

Distribuie

Auction

Haggerston Castle

Owner

Ashington
20.12.2025 119256

£ 50

Distribuie

Auction

Antique wooden storage box

Owner

Barking and Dagenham
20.12.2025 117407

£ 40

Distribuie

Direct Sale

Thundering Vengeance novel by Joel Goule...

Author Joel Goulet

London
20.12.2025 1261

£ 3

Distribuie

Direct Sale

Transform Your Day, Transform Your Life:...

Owner

Kensington
20.12.2025 51915

£ 900

Distribuie

Auction

Exclusive 3 Bed HMO - Staffordshire Univ...

Owner

Aberdeen
20.12.2025 116278

£ 80000

Distribuie

Auction

Makerspace Studios - Artists, Creatives,...

Owner

Barking and Dagenham
20.12.2025 115007

£ 1650

Distribuie

Auction

Bang & Olufsen speakers

Owner

Andover
20.12.2025 116117

£ 150

Distribuie

Auction

Newly Refurbished 6 Bed HMO in Barrow Pe...

Owner

Barking and Dagenham
20.12.2025 117350

£ 119999

Distribuie

Direct Sale

Erotic encounter

Owner

Haringey
20.12.2025 52307

£ 100

Distribuie

Direct Sale

"Earn $900 a Day with Just 2 Hours and a...

Owner

Kensington
20.12.2025 52579

£ 900

Distribuie

Direct Sale

Big Pay, Small Time: $900 a Day in 2 Hou...

Owner

Kensington
20.12.2025 52297

£ 900

Distribuie

Direct Sale

"$900/Day in 2 Hours? The New Way to Wor...

Owner

Kensington
20.12.2025 53410

£ 900

Distribuie

Auction

White cups / mugs 15cm tall

Owner

Aberdeen
20.12.2025 115890

£ 3

Distribuie

Auction

18" Faro Syle Alloy wheels - VW POLO - S...

Owner

Aberdeen
20.12.2025 116580

£ 450

Distribuie

Auction

Olympus M.Zuiko ED 7-14mm f2.8 Pro Lens,...

Owner

Baguley
20.12.2025 117645

£ 600

Distribuie

Auction

Action pro 2 man tent ⛺️

Owner

Pont-y-pŵl 21.12.2025

£30

Distribuie

Auction

Vintage 1972 Ladies Raleigh Traditional Town Bike 3 Speed

Owner

Hastings 21.12.2025

£45

Distribuie

Auction

iPhone 6s +

Owner

Brislington 21.12.2025

£20

Distribuie

Auction

SDC STACK OF x5 FLAT TRAILERS

Owner

Belper 21.12.2025

£18500

Distribuie

Auction

Alan

Owner

Bailleston 21.12.2025

£350

Distribuie

Auction

Kids. Bike

Owner

Aberdeen 21.12.2025

£30

Distribuie

Auction

3 x Titleist Pro V1 (A Grade) with Golf Ball Bag & Tees

Owner

Alcester 21.12.2025

£7

Distribuie

Auction

Desk 120 x 55 cm Metal frame and legs with faux wood effect table top.

Owner

Barking and Dagenham 21.12.2025

£50

Distribuie

Auction

Suzuki, SFV, 2009, 645 (cc)

Owner

Ashington 21.12.2025

£1700

Distribuie

Auction

Static Caravan Pemberton Lucerne 39x13 2bedroom DG/CH - Free UK Delivery

Owner

Bradford-on-Avon 21.12.2025

£15000

Distribuie

Direct Sale

Claim Your $900 Daily — Only 2 Hours of Online Work!"

Owner

Kensington 20.12.2025

£900

Distribuie

Auction

Affordable Construction Waste Removal in London – Fast & Reliable Service!

Roger Waste Management

London 20.12.2025

£1

Distribuie

Direct Sale

Swimsuit for women

Owner

Barking and Dagenham 20.12.2025

£5

Distribuie

Auction

Rangemaster Elan gas & electric cooker for sale

Owner

Aberdeen 20.12.2025

£300

Distribuie

Direct Sale

"Freedom is 2 Hours Away: Make $900 Daily!"

Owner

Kensington 20.12.2025

£900

Distribuie

Direct Sale

Make $900 a Day in Just 2 Hours — All You Need is WiFi!"

Owner

Kensington 20.12.2025

£900

Distribuie

Direct Sale

From WiFi to Wealth: $900 Daily in Just 2 Hours!"

Owner

Kensington 20.12.2025

£900

Distribuie

Direct Sale

"Work Smarter, Not Harder: $900 a Day in 2 Hours Online!"

Owner

Kensington 20.12.2025

£900

Distribuie

Auction

Electric drill

Owner

Aberdeen 20.12.2025

£20

Distribuie

Auction

Kids water slide

Owner

Cambridge 20.12.2025

£50

Distribuie

Auction

18 19" Inch RS3 Audi style wheels A3 A4 A5 A6 A7 Caddy Seat Leon Passat Skoda 5x112

Owner

Aberdeen 20.12.2025

£450

Distribuie

Auction

Hi Gear Horizon 700 AIR Nightfall Tent Like new

Owner

Biddulph 20.12.2025

£450

Distribuie

Auction

Insta360 X3 Bundle Plus Tripod & Bike Mount

Owner

Baguley 20.12.2025

£475

Distribuie

Auction

Can Deliver - Samsung Laptop with Windows10 WiFi DVD Black Colour 15.6" HD Bluetooth

Owner

Baguley 20.12.2025

£180

Distribuie

Auction

Nokia 105 4G, Dual sim, Brand NEW, Boxed, Unlocked to all Network

Owner

Barking and Dagenham 20.12.2025

£25

Distribuie

Auction

Mr

Owner

Aberdeen 20.12.2025

£50

Distribuie

Auction

Panasonic wireless phone with voice mail

Owner

Bath 20.12.2025

£20

Distribuie

Auction

Mint 2016 DUCATI MONSTER 821 mint bike

Owner

Aberdeen 20.12.2025

£6100

Distribuie

Auction

Sell me your Herman Miller Aeron mesh chairs for £200 each anywhere in London

Owner

Barking and Dagenham 20.12.2025

£200

Distribuie

Auction

iPhone 15 plus pink 512GB brand new, unopened box

Owner

Aberdeen 20.12.2025

£850

Distribuie

Auction

SPAIN SPANISH+LHD LEFT HAND DRIVE+2016 DACIA LOGAN+ITV SEPTEMBER 2024+LOW MILES

Owner

Aberdeen 20.12.2025

£7495

Distribuie

Auction

LAND ROVER DISCOVERY 2.7 Diesel V6 Breaking for parts

Owner

Dunstable 20.12.2025

£1

Distribuie

Auction

WORKSHOP LIGHT INDUSTRIAL SELF CONTAINED PRIVATE OFFICE SPACE GARDEN LAND - TO LET - SE15

Owner

Barking and Dagenham 20.12.2025

£2900

Distribuie

Auction

Swift Conqueror 560 Rear Island Bed Middle Bathroom

Owner

Aberdeen 20.12.2025

£18999

Distribuie

Auction

Bayswater Three Bedroom Two bathroom apartment for short term let’s £4578 per week

Owner

Barking and Dagenham 20.12.2025

£4578

Distribuie

Auction

AntarLab design tote bags

Owner

Barking and Dagenham 20.12.2025

£8

Distribuie

Auction

* 5 Bed 5 Bath HMO – Ultimate Returns of 34.14%

Owner

Andover 20.12.2025

£100000

Distribuie

Auction

1951 Innocenti Lambretta 125 Model C

Owner

Addlestone 20.12.2025

£4795

Distribuie

Auction

HONDA CB1300 CB 1300 2009

Owner

Bromsgrove 20.12.2025

£4990

Distribuie

Auction

Panasonic Lumix DC-FZ82

Owner

Barking and Dagenham 20.12.2025

£250

Distribuie

Auction

Outdoor car cover.

Owner

Fern Down 20.12.2025

£150

Distribuie

Auction

Matching set 215 70 15 conti van tyres 7nn £160 fitd & bal 7dys

Owner

Giffnock 20.12.2025

£160

Distribuie

Auction

(4X) Dell Cooling Fan R836J 0R836J, CN-R836J, D572K-A00 AFC0912DE 12v 80 mm

Owner

Barking and Dagenham 20.12.2025

£30

Distribuie

Auction

DELL PSU PH-03MJJP-16298 7001515 Z1100P-00 1100W Power Supply Unit

Owner

Barking and Dagenham 20.12.2025

£20

Distribuie

Auction

South Kensington Deluxe Two Bedroom Apartment for short let’s £2373 per week

Owner

Barking and Dagenham 20.12.2025

£2373

Distribuie

Auction

Haggerston Castle

Owner

Ashington 20.12.2025

£50

Distribuie

Auction

Antique wooden storage box

Owner

Barking and Dagenham 20.12.2025

£40

Distribuie

Direct Sale

Thundering Vengeance novel by Joel Goulet

Author Joel Goulet

London 20.12.2025

£3

Distribuie

Direct Sale

Transform Your Day, Transform Your Life: Earn $900 in Just 2 Hours!"

Owner

Kensington 20.12.2025

£900

Distribuie

Auction

Exclusive 3 Bed HMO - Staffordshire University 27.64% Return on Investment

Owner

Aberdeen 20.12.2025

£80000

Distribuie

Auction

Makerspace Studios - Artists, Creatives, Startups in Willesden/North Acton, North West London NW10

Owner

Barking and Dagenham 20.12.2025

£1650

Distribuie

Auction

Bang & Olufsen speakers

Owner

Andover 20.12.2025

£150

Distribuie

Auction

Newly Refurbished 6 Bed HMO in Barrow Perfect location for BAE Return PA In Excess of 40.51%

Owner

Barking and Dagenham 20.12.2025

£119999

Distribuie

Direct Sale

Erotic encounter

Owner

Haringey 20.12.2025

£100

Distribuie

Direct Sale

"Earn $900 a Day with Just 2 Hours and a WiFi Connection!"

Owner

Kensington 20.12.2025

£900

Distribuie

Direct Sale

Big Pay, Small Time: $900 a Day in 2 Hours!"

Owner

Kensington 20.12.2025

£900

Distribuie

Direct Sale

"$900/Day in 2 Hours? The New Way to Work is Here!"

Owner

Kensington 20.12.2025

£900

Distribuie

Auction

White cups / mugs 15cm tall

Owner

Aberdeen 20.12.2025

£3

Distribuie

Auction

18" Faro Syle Alloy wheels - VW POLO - SEAT IBIZA - AUDI A1 TT -SKODA FABIA 5x100

Owner

Aberdeen 20.12.2025

£450

Distribuie

Auction

Olympus M.Zuiko ED 7-14mm f2.8 Pro Lens, micro 4/3

Owner

Baguley 20.12.2025

£600

Distribuie

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Action pro 2 man tent ⛺️

£30 Distribuie Salveaza

Vintage 1972 Ladies Raleigh Traditional Town Bike 3 Speed

£45 Distribuie Salveaza

iPhone 6s +

£20 Distribuie Salveaza

SDC STACK OF x5 FLAT TRAILERS

£18500 Distribuie Salveaza

Alan

£350 Distribuie Salveaza

Kids. Bike

£30 Distribuie Salveaza

3 x Titleist Pro V1 (A Grade) with Golf Ball Bag & Tees

£7 Distribuie Salveaza

Desk 120 x 55 cm Metal frame and legs with faux wood effect table top.

£50 Distribuie Salveaza

Suzuki, SFV, 2009, 645 (cc)

£1700 Distribuie Salveaza

Static Caravan Pemberton Lucerne 39x13 2bedroom DG/CH - Free UK Delivery

£15000 Distribuie Salveaza

Claim Your $900 Daily — Only 2 Hours of Online Work!"

£900 Distribuie Salveaza

Affordable Construction Waste Removal in London – Fast & Reliable Service!

£1 Distribuie Salveaza

Swimsuit for women

£5 Distribuie Salveaza

Rangemaster Elan gas & electric cooker for sale

£300 Distribuie Salveaza

"Freedom is 2 Hours Away: Make $900 Daily!"

£900 Distribuie Salveaza

Make $900 a Day in Just 2 Hours — All You Need is WiFi!"

£900 Distribuie Salveaza

From WiFi to Wealth: $900 Daily in Just 2 Hours!"

£900 Distribuie Salveaza

"Work Smarter, Not Harder: $900 a Day in 2 Hours Online!"

£900 Distribuie Salveaza

Electric drill

£20 Distribuie Salveaza

Kids water slide

£50 Distribuie Salveaza

18 19" Inch RS3 Audi style wheels A3 A4 A5 A6 A7 Caddy Seat Leon Passat Skoda 5x112

£450 Distribuie Salveaza

Hi Gear Horizon 700 AIR Nightfall Tent Like new

£450 Distribuie Salveaza

Insta360 X3 Bundle Plus Tripod & Bike Mount

£475 Distribuie Salveaza

Can Deliver - Samsung Laptop with Windows10 WiFi DVD Black Colour 15.6" HD Bluetooth

£180 Distribuie Salveaza

Nokia 105 4G, Dual sim, Brand NEW, Boxed, Unlocked to all Network

£25 Distribuie Salveaza

Mr

£50 Distribuie Salveaza

Panasonic wireless phone with voice mail

£20 Distribuie Salveaza

Mint 2016 DUCATI MONSTER 821 mint bike

£6100 Distribuie Salveaza

Sell me your Herman Miller Aeron mesh chairs for £200 each anywhere in London

£200 Distribuie Salveaza

iPhone 15 plus pink 512GB brand new, unopened box

£850 Distribuie Salveaza

SPAIN SPANISH+LHD LEFT HAND DRIVE+2016 DACIA LOGAN+ITV SEPTEMBER 2024+LOW MILES

£7495 Distribuie Salveaza

LAND ROVER DISCOVERY 2.7 Diesel V6 Breaking for parts

£1 Distribuie Salveaza

WORKSHOP LIGHT INDUSTRIAL SELF CONTAINED PRIVATE OFFICE SPACE GARDEN LAND - TO LET - SE15

£2900 Distribuie Salveaza

Swift Conqueror 560 Rear Island Bed Middle Bathroom

£18999 Distribuie Salveaza

Bayswater Three Bedroom Two bathroom apartment for short term let’s £4578 per week

£4578 Distribuie Salveaza

AntarLab design tote bags

£8 Distribuie Salveaza

* 5 Bed 5 Bath HMO – Ultimate Returns of 34.14%

£100000 Distribuie Salveaza

1951 Innocenti Lambretta 125 Model C

£4795 Distribuie Salveaza

HONDA CB1300 CB 1300 2009

£4990 Distribuie Salveaza

Panasonic Lumix DC-FZ82

£250 Distribuie Salveaza

£30

Distribuie

£45

Distribuie

£20

Distribuie

£18500

Distribuie

£350

Distribuie

£30

Distribuie

£7

Distribuie

£50

Distribuie

£1700

Distribuie

£15000

Distribuie

£900

Distribuie

£1

Distribuie

£5

Distribuie

£300

Distribuie

£900

Distribuie

£900

Distribuie

£900

Distribuie

£900

Distribuie

£20

Distribuie

£50

Distribuie

£450

Distribuie

£450

Distribuie

£475

Distribuie

£180

Distribuie

£25

Distribuie

£50

Distribuie

£20

Distribuie

£6100

Distribuie

£200

Distribuie

£850

Distribuie

£7495

Distribuie

£1

Distribuie

£2900

Distribuie

£18999

Distribuie

£4578

Distribuie

£8

Distribuie

£100000

Distribuie

£4795

Distribuie

£4990

Distribuie

£250

Distribuie

£150

Distribuie

£160

Distribuie

£30

Distribuie

£20

Distribuie

£2373

Distribuie