Chemistry Vinegar is an aqueous solution of Citric acid Acetic acid Oxalic acid Hydrochloric acid Citric acid Acetic acid Oxalic acid Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance most commonly used as a food preservative is Sodium carbonate Acetic acid Sodium salt of benzoic acid Tartaric acid Sodium carbonate Acetic acid Sodium salt of benzoic acid Tartaric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to pollution of atmosphere by Oxides of nitrogen and phosphorous Oxides of carbon and nitrogen Oxides of nitrogen and sulphur None of these Oxides of nitrogen and phosphorous Oxides of carbon and nitrogen Oxides of nitrogen and sulphur None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry 1 carat of diamond is equal to 100 mg 200 mg 200 g 100 g 100 mg 200 mg 200 g 100 g ANSWER DOWNLOAD EXAMIANS APP
Chemistry The minimum energy required for an effective collision is Free energy Threshold energy Internal energy Activation energy Free energy Threshold energy Internal energy Activation energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry The biogas used for cooking is a mixture of which of the following? Isobutane and propane Methane and carbon monoxide Methane and carbon dioxide Carbon dioxide and oxygen Isobutane and propane Methane and carbon monoxide Methane and carbon dioxide Carbon dioxide and oxygen ANSWER DOWNLOAD EXAMIANS APP