Chemistry Which one of the following is not present in cement ? Clay Alum Alumina Gypsum Clay Alum Alumina Gypsum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Food cans are coated with tin and not with zinc because Zinc is less reactive than tin Zinc is costlier than tin Zinc is more reactive than tin Zinc has a higher melting point than tin Zinc is less reactive than tin Zinc is costlier than tin Zinc is more reactive than tin Zinc has a higher melting point than tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bleaching powder is used in drinking water as a/an Disinfectant Antiseptic Antibiotic Coagulant Disinfectant Antiseptic Antibiotic Coagulant ANSWER DOWNLOAD EXAMIANS APP
Chemistry Particulates (< 1 µm size) remaining suspended in air indefinitely and transported by wind currents are called Smoke Fumes Mists Aerosols Smoke Fumes Mists Aerosols ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stains of rust on clothes can be removed by : Oxalic acid H2O2 Petrol Alcohol Oxalic acid H2O2 Petrol Alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a greenhouse gas ? Hydrogen Nitric oxide Chlorofluorocarbon Carbon dioxide Hydrogen Nitric oxide Chlorofluorocarbon Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
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