Limestome and Thermal Decomposition

Question 1

When the limestone is heated what does it make and how?

Answer 1

It thermally decomposes to make calcium oxide and carbon dioxide

Question 2

Do other carbonates are heated, do they decompose in the same way?

Answer 2

Yes

Question 3

What does thermal decomposition of carbonated give off?

Answer 3

Carbon dioxide

Question 4

Do some carbonates undergo thermal decomposition more easily than others?

Answer 4

Yes, it depends on the stability of the metal carbonate.

Question 5

What is limestone mainly?

Answer 5

Calcium Carbonate

Question 6

What happens to less stable carbonates?

Answer 6

They decompose faster and the limewater will turn milky more quickly

Question 7

When calcium oxide reacts with water, what does it produce?

Answer 7

Calcium hydroxide

Question 8

Is Calcium Hydroxide an acid or alkali?

Answer 8

Alkali

Question 9

What can calcium hydroxide be used to neutralise?

Answer 9

Acidic soil in fields.

Question 10

What does calcium hydroxide produce when it’s dissolved in water?

Answer 10

Limewater

Question 11

What does calcium hydroxide produce when it’s dissolved in water?

Answer 11

Limewater