1) when calcium carbonate is heated, it changes to calcium oxide and carbon dioxide the change brought about by the heat is:
a) change of state
b) change of dimensions
c) change of temperature
d) chemical change
2) which will not undergo sublimation:
a) ammonium chloride
b) camphor
c) sodium chloride
d) iodine
please give the correct answer please
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On heating calcium carbonate gets converted into calcium oxide and carbon dioxide.
answer for 1st question
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