Chemistry An acid having basicity one is Sodium phosphate Disodium hydrogen phosphate Sodium dihydrogen phosphate Phosphoric acid Sodium phosphate Disodium hydrogen phosphate Sodium dihydrogen phosphate Phosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the mass percentage of carbon in carbon dioxide (CO2) 0.273 0.201 0.323 0.158 0.273 0.201 0.323 0.158 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Why is water not suitable for putting out a petrol fire ? 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 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 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a chemical reaction'? Burning of paper Digestion of food Conversion of water into steam Burning of coal Burning of paper Digestion of food Conversion of water into steam Burning of coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a natural source of hydrocarbon? Petroleum Natural Gas Coal Mica Petroleum Natural Gas Coal Mica ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is extensively used for sterilizing water ? Soda powder Borax powder Bleaching powder Alum Soda powder Borax powder Bleaching powder Alum ANSWER DOWNLOAD EXAMIANS APP
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