Chemistry Stalactites and Stalagmites form due to the precipitation of : CaCO3 MgCO3 MgCl2 CaCl2 CaCO3 MgCO3 MgCl2 CaCl2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of rat poison is Zinc phosphide Lead nitrate Potassium cyanide Zinc oxide Zinc phosphide Lead nitrate Potassium cyanide Zinc oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is made hard with Dehydration Hydration and dissociation of water Polymerisation Dissociation of water Dehydration Hydration and dissociation of water Polymerisation Dissociation of water ANSWER DOWNLOAD EXAMIANS APP
Chemistry A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be Copper Aluminium Zinc Silver Copper Aluminium Zinc Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals is not a pollutant ? Aluminium Mercury Lead Arsenic Aluminium Mercury Lead Arsenic ANSWER DOWNLOAD EXAMIANS APP
Chemistry The working of a dry cell is based on Decomposition reaction Electrolysis Combination reaction Spontaneous oxidation-reduction reaction Decomposition reaction Electrolysis Combination reaction Spontaneous oxidation-reduction reaction ANSWER DOWNLOAD EXAMIANS APP
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