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