Chemistry Which of the following chemicals is used in photography ? Potassium nitrate Aluminium hydroxide Sodium chloride Silver bromide Potassium nitrate Aluminium hydroxide Sodium chloride Silver bromide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Why is water not suitable for putting out a petrol fire ? 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 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 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used in developing photographic films is Hydroquinone Silver bromide Hypo Sodium sulphate Hydroquinone Silver bromide Hypo Sodium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used for cloud seeding for artificial rains is Silver Iodide Potassium Nitrate Potassium Bromide Silver Nitrate Silver Iodide Potassium Nitrate Potassium Bromide Silver Nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be Copper Zinc Silver Aluminium Copper Zinc Silver Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms having the same number of protons but different number of neutrons are called : Cations Higgs-boson Anions Isotopes Cations Higgs-boson Anions Isotopes ANSWER DOWNLOAD EXAMIANS APP
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