Chemistry The working of a dry cell is based on Combination reaction Spontaneous oxidation-reduction reaction Decomposition reaction Electrolysis Combination reaction Spontaneous oxidation-reduction reaction Decomposition reaction Electrolysis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is a covalent compound ? Sodium chloride Magnesium fluoride Calcium chloride Carbon tetrachloride Sodium chloride Magnesium fluoride Calcium chloride Carbon tetrachloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sweat contains water and ________ Salt Lactic acid Citric acid Vinegar Salt Lactic acid Citric acid Vinegar ANSWER DOWNLOAD EXAMIANS APP
Chemistry PH scale ranges from 8 – 14 0 – 7 0 – 14 None 8 – 14 0 – 7 0 – 14 None ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain' is caused due to air - pollution by Nitrous oxide and sulphur dioxide Methane Carbon dioxide Carbon monoxide Nitrous oxide and sulphur dioxide Methane Carbon dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as an anti-freeze for the automobile engines ? Ethylene glycol Methanol Propyl alcohol Ethanol Ethylene glycol Methanol Propyl alcohol Ethanol ANSWER DOWNLOAD EXAMIANS APP
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