Chemistry Which gas does not form the part of atmosphere ? Chlorine Nitrogen None of these Helium Chlorine Nitrogen None of these Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphuric acid is Tetrabasic Monobasic Tribasic Dibasic Tetrabasic Monobasic Tribasic Dibasic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following elements is found in maximum percentage in the human body ? Oxyzen Nitrozen Carbon Hydrogen Oxyzen Nitrozen Carbon Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Dry powder fire extinguishers contain Sand and sodium carbonate Sand and potassium carbonate Sand Sand and sodium bicarbonate Sand and sodium carbonate Sand and potassium carbonate Sand Sand and sodium bicarbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of water is Tap water Ground water Rain water Distilled water Tap water Ground water Rain water Distilled water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Why is water not suitable for putting out a petrol fire ? 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 The heat required for combustion of petrol is very low ANSWER DOWNLOAD EXAMIANS APP