3.5.2 - Metal Carbonate Decomposition

Question 1

What is a thermal decomposition reaction!?

Answer 1

. When heat energy is used to breakdown a substance.

Question 2

Metal carbonate thermal decomposition equation:

Answer 2

Metal carbonate ➡️ metal oxide + +. +carbon dioxide

Question 3

Decomposition of copper carbonate (colour change)

Answer 3

.Copper carbonate = green solid

. Copper oxide = black solid

. Carbon dioxide = colourless gas

Question 4

What is downward delivery !?

Answer 4

. When a gas sinks to the bottom of a tube (eg carbon dioxide)