Metals(The extraction of copper demo/prac)

Question 1

what happens to the copper carbonate powder as it is heated

Answer 1

colour change green to black

Question 2

what compound does copper carbonate change into on heating

Answer 2

copper oxide

Question 3

word equation for first reaction

Answer 3

copper carbonate = copper oxide + carbon dioxide

Question 4

what material is observed amongst broken glass

Answer 4

copper (orange solid)

Question 5

second reactions equation

Answer 5

copper oxide + carbon = copper + carbon dioxide