Chemistry Which one of the following elements is used in the manufacture of safety matches? Silicon Graphite Sodium Phosphorus Silicon Graphite Sodium Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Catalyst is a substance which None of these Decreases the rate of reaction Increases the rate of the reaction Has no action on the rate of the reaction None of these Decreases the rate of reaction Increases the rate of the reaction Has no action on the rate of the reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide level in the atmosphere can be reduced by using More efficient car engines Catalytic converters in industry Static electricity to attract it in factory chimneys Low - sulphur fuels More efficient car engines Catalytic converters in industry Static electricity to attract it in factory chimneys Low - sulphur fuels ANSWER DOWNLOAD EXAMIANS APP
Chemistry Synthetic detergents are prepared from Potassium salts of higher fatty-acids Sodium salts of higher fattyacids Glycerides Hydrocarbons of petroleum Potassium salts of higher fatty-acids Sodium salts of higher fattyacids Glycerides Hydrocarbons of petroleum ANSWER DOWNLOAD EXAMIANS APP
Chemistry CNG used in automobiles to check pollution, mainly consists of H2 N2 CO2 CH4 H2 N2 CO2 CH4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is found in Vinegar ? Butyric acid Propionic acid Formic acid Acetic acid Butyric acid Propionic acid Formic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
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