Chemistry The manufacturing of iron from iron ore involves the process of Oxidation Fractional distillation Electrolysis Reduction Oxidation Fractional distillation Electrolysis Reduction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The organic reaction represented by equation CH3 - CH = O + H2NOH gives CH3 - CH - NH + H2O is an example of an addition reaction an elimination reaction an oxidation reaction a condensation reaction an addition reaction an elimination reaction an oxidation reaction a condensation reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vulcanized rubber contains sulphur 0.02 3-5% 7-9% 10-15% 0.02 3-5% 7-9% 10-15% ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tar roads get damaged if there is Heavy traffic Stagnation of water on road No maintenance No sloping Heavy traffic Stagnation of water on road No maintenance No sloping ANSWER DOWNLOAD EXAMIANS APP
Chemistry The addition of gypsum to portland cement helps in : Increasing the strength of cement Rapid setting of cement Preventing rapid setting of cement Reduction in the cost of cement Increasing the strength of cement Rapid setting of cement Preventing rapid setting of cement Reduction in the cost of cement ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant metal in the Earth’s crust is Iron Aluminium Copper Zinc Iron Aluminium Copper Zinc ANSWER DOWNLOAD EXAMIANS APP
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