Chemistry Maximum permissible concentration of total hardness in drinking water is 500 100 200 50 500 100 200 50 ANSWER DOWNLOAD EXAMIANS APP
Chemistry A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be Zinc Copper Silver Aluminium Zinc Copper Silver Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Impure camphor is purified by Sublimation Fractional distillation Fractional crystallisation Steam distillation Sublimation Fractional distillation Fractional crystallisation Steam distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ? Zero 6 18 12 Zero 6 18 12 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aluminium can be purified by Distillation Ozonolysis Oxidation Electrolysis Distillation Ozonolysis Oxidation Electrolysis ANSWER DOWNLOAD EXAMIANS APP
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