Chemistry 'Vinegar' is a commercial name of Oxalic acid Citric acid Hydrochloric acid Acetic acid Oxalic acid Citric acid Hydrochloric acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Two elements which can form a large number of compounds are Carbon and Hydrogen Carbon and Oxygen Carbon and Sulphur Carbon and Nitrogen Carbon and Hydrogen Carbon and Oxygen Carbon and Sulphur Carbon and Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Formation of ozone hole is maximum over India Europe Africa Antarctica India Europe Africa Antarctica ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which substance is used to retard the setting action of cement? Al2O3 Na2O + K2O CaSO4, 2H2O CaO Al2O3 Na2O + K2O CaSO4, 2H2O CaO ANSWER DOWNLOAD EXAMIANS APP
Chemistry The working of a dry cell is based on Spontaneous oxidation-reduction reaction Electrolysis Combination reaction Decomposition reaction Spontaneous oxidation-reduction reaction Electrolysis Combination reaction Decomposition reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The rusting of iron is a/an None of these Electrochemical change Physical change Electrical change None of these Electrochemical change Physical change Electrical change ANSWER DOWNLOAD EXAMIANS APP
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