Chemistry Which of the following is not a commercial source of energy? Coal Petroleum Natural Gas Firewood Coal Petroleum Natural Gas Firewood ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a commercial source of energy? Dried dung Sun Natural gas Agricultural waste Dried dung Sun Natural gas Agricultural waste 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 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 The heat required for combustion of petrol is very low Petrol is too inflammable to be extinguished by water ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most common salt in sea water ? Calcium carbonate Magnesium sulphate Sodium chloride Potassium chloride Calcium carbonate Magnesium sulphate Sodium chloride Potassium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Air shows the property of None of these O2 Both A and B N2 None of these O2 Both A and B N2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The structure of (HPO3)3 is Octahedral Tetrahedral Cyclic Linear Octahedral Tetrahedral Cyclic Linear ANSWER DOWNLOAD EXAMIANS APP
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