Chemistry Aluminium can be purified by Ozonolysis Oxidation Distillation Electrolysis Ozonolysis Oxidation Distillation Electrolysis ANSWER DOWNLOAD EXAMIANS APP
Chemistry The resources which can be used continuously, year-after -year are called Non-renewable Abiotic Renewable Biotic Non-renewable Abiotic Renewable Biotic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a ‘green house gas’ ? Carbon dioxide Methane Nitrogen Chlorofluorocarbons Carbon dioxide Methane Nitrogen Chlorofluorocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper substances when exposed to air gains a green coating due to the formation of: CuO Cu(NO3)2 CuSO4 CuCO3 Cu(OH)2 CuO Cu(NO3)2 CuSO4 CuCO3 Cu(OH)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gelatin is mostly used in making ice–creams in order to Stabilise the colloid and prevent crystallisation Stabilise mixture Enrich the aroma Prevent making a colloid Stabilise the colloid and prevent crystallisation Stabilise mixture Enrich the aroma Prevent making a colloid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal does not undergo corrosion due to the formation of oxide layer? Aluminium Iron Zinc Copper Aluminium Iron Zinc Copper ANSWER DOWNLOAD EXAMIANS APP
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