Chemistry What is the covalency of nitrogen in ammonia molecule 2 4 5 3 2 4 5 3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Why is water not suitable for putting out a petrol fire ? 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 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 ANSWER DOWNLOAD EXAMIANS APP
Chemistry White phosphorus is always kept under Benzene Ether Kerosene Water Benzene Ether Kerosene Water ANSWER DOWNLOAD EXAMIANS APP
Chemistry 1 carat of diamond is equal to 200 g 100 mg 100 g 200 mg 200 g 100 mg 100 g 200 mg ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sullage water is – Waste water released from hospitals Waste water released from kitchen Waste water released from toilets Waste water released from factories Waste water released from hospitals Waste water released from kitchen Waste water released from toilets Waste water released from factories ANSWER DOWNLOAD EXAMIANS APP
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