Chemistry Why is water not suitable for putting out a petrol fire ? Petrol is too inflammable to be extinguished by water The heat required for combustion of petrol is very low 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 Petrol is too inflammable to be extinguished by water The heat required for combustion of petrol is very low 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 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a lubricant in heavy machines? Graphite Sulphur Phosphorus Bauxite Graphite Sulphur Phosphorus Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in making smoke bombs? Hydrogen Carbon Phosphorus Sulphur Hydrogen Carbon Phosphorus Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water gas is the mixture of Carbon monoxide and nitrogen Carbon dioxide and nitrogen Carbon dioxide and hydrogen Carbon monoxide and hydrogen Carbon monoxide and nitrogen Carbon dioxide and nitrogen Carbon dioxide and hydrogen Carbon monoxide and hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry In electro-refining, the pure metal is deposited on Cathode Electrolyte Vessel Anode Cathode Electrolyte Vessel Anode ANSWER DOWNLOAD EXAMIANS APP
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