Chemistry Which of the following is the best fuel in terms of energy released per gram of fuel? Hydrogen Ethanol Methane Butane Hydrogen Ethanol Methane Butane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following does not form oxyacid ? Chlorine Nitrogen Sulphur Fluorine Chlorine Nitrogen Sulphur Fluorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following type of coal has the lowest proportion of volatile matter ? Bituminous Lignite Peat Anthracite Bituminous Lignite Peat Anthracite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Catalyst is a substance which 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 None of these Decreases the rate of reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Petroleum is a mixture of Hydrocarbons Polymers Elements Salts Hydrocarbons Polymers Elements Salts ANSWER DOWNLOAD EXAMIANS APP
Chemistry Why is water not suitable for putting out a petrol fire ? Water, being heavy, slips below petrol which thus remains in contact with air and burns The oxygen content of water is isolated by petrol and thus it helps in burning The heat required for combustion of petrol is very low Petrol is too inflammable to be extinguished by water Water, being heavy, slips below petrol which thus remains in contact with air and burns The oxygen content of water is isolated by petrol and thus it helps in burning The heat required for combustion of petrol is very low Petrol is too inflammable to be extinguished by water ANSWER DOWNLOAD EXAMIANS APP
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