key limestone reaction

Question 1

what is the formulae for neutralisation?

Answer 1

metal carbonate + acid –> metal salt + water + carbon dioxide

Question 2

what is the formulae for thermal decomposition?

Answer 2

Calcium Carbonate -heat-> calcium oxide + carbon dioxide

Question 3

what happens to calcium oxide when you add water?

Answer 3

Calcium oxide + water –> Calcium hydroxide

Question 4

what is the formula to test for co2 gas using limestone?

Answer 4

calcium hydroxide (lime water) + carbon dioxide –> calcium carbonate (limestone) + water