1) What is the product in the equation ‘metal carbonate →metal oxide + carbon dioxide’? a) Metal Carbonate b) Metal oxide + carbon dioxide 2) What are the reactants in the equation ‘metal carbonate →metal oxide + carbon dioxide’? a) Metal Carbonate b) Metal oxide + carbon dioxide 3) If a chemical is CuCO3 how many particles are there? a) 6 b) 3 c) 5 d) 2 4) If a chemical is CuO how many particles are there? a) 2 b) 1 c) 0 d) 3 5) If a chemical is MgCO3 how many particles are there? a) 4 b) 7 c) 3 d) 5 6) If a chemical is K2CO3 how many particles are there? a) 8 b) 6 c) 4 d) 9 7) True or false : When thermal decomposition happens, carbon dioxide is produced? a) False b) True 8) True or false : As you go down a group in the periodic table, the metal carbonates tend to be less stable? a) True b) False

Thermal decomposition

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