Chemistry Which one is a naturally occuring noble gas Sodium Boron Potassium Argon Sodium Boron Potassium Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source for the production of nitrogeneous fertilizers is : Nitrogen dioxide Nitrogen Ammonia Nitric acid Nitrogen dioxide Nitrogen Ammonia Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ is used for making vinegar. Acetic acid Oxalic acid Tartaric acid Malic acid Acetic acid Oxalic acid Tartaric acid Malic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Photo-oxidation process is initiated by Oxygen Catalyst Heat Light Oxygen Catalyst Heat Light 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 Petrol is too inflammable to be extinguished by water The heat required for combustion of petrol is very low 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 Petrol is too inflammable to be extinguished by water The heat required for combustion of petrol is very low ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which mineral is the ore of aluminium ? Haematite Magnetite Bauxite Siderite Haematite Magnetite Bauxite Siderite ANSWER DOWNLOAD EXAMIANS APP
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