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