Metal Carbonates And Acids

Question 1

What are the FIVE STEPS in reacting metal carbonates with acid?

Answer 1

1- add 20 cm cubed of your acid to a 100 cm cubed beaker

2- Add one of the METAL CARBONATES, a spatula at a time until you know the gas is fully neutralised

3- If a gas is given off, collect some using pipette

4- bubble the pipette contents through a test tube of lime water

5- if the lime water changes colour (from clear to cloudy white) then carbon dioxide test is positive

Question 2

Write the formula for copper carbonate, zinc carbonate and lithium carbonate (3 points)

Answer 2

• copper carbonate= CUCO3
• zinc carbonate= ZnCO3
• lithium carbonate= LI2CO3

Question 3

What is the formulas for SULFURIC ACID, HYDROCHLORIC ACID AND NITRIC ACID? (3 points)

Answer 3

• Hydrochloric acid= HCL
• SULFURIC Acid= H2SO4
• nitric acid= HNO3

Question 4

What are the formulas for the salts, COPPER SULFATE, ZINC CHLORIDE AND LITHIUM NITRATE? (3 points)

Answer 4

• copper Sulfate= CUSO4
• zinc chloride= ZnCL2
• lithium nitrate= LiNO3

Question 5

How do we test for hydrogen gas?

Answer 5

Hold a lit splint to the gas and it will burn with a squeaky pop

Question 6

How would you know when an acud has been fully neutralised when using a metal carbonate to neutralise it?

Answer 6

When excess carbonate is added to the acid and it no longer bubbles