Chemistry Conversion of chemical energy into electrical energy occurs in Dynamo A battery Electric heaters Atomic bombs Dynamo A battery Electric heaters Atomic bombs ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stains of rust on clothes can be removed by : H2O2 Alcohol Petrol Oxalic acid H2O2 Alcohol Petrol Oxalic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The drug ‘Marijuana’ is a Tranquillizer Sedative Hallucinating substance Mental stimulant Tranquillizer Sedative Hallucinating substance Mental stimulant ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide present in the industrial chimney exhaust causes Corrosion building materials Reduction in plant's productivity owing to acid rain Respiratory and lung disease All of these Corrosion building materials Reduction in plant's productivity owing to acid rain Respiratory and lung disease All of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Peroxyacetyl nitrate is a Plant hormone Secondary pollutant Vitamin Acidic dye Plant hormone Secondary pollutant Vitamin Acidic dye ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the earth’s atmosphere is Krypton Nitrogen Argon Oxygen Krypton Nitrogen Argon Oxygen ANSWER DOWNLOAD EXAMIANS APP
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