Chemistry When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is Hydrogen All of them Carbon dioxide Oxygen Hydrogen All of them Carbon dioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a chemical reaction'? Conversion of water into steam Burning of coal Digestion of food Burning of paper Conversion of water into steam Burning of coal Digestion of food Burning of paper ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Vinegar' is a commercial name of Hydrochloric acid Citric acid Oxalic acid Acetic acid Hydrochloric acid Citric acid Oxalic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vinegar made by fermentation from cane sugar contains Acetic acid Citric acid Lactic acid Palmitic acid Acetic acid Citric acid Lactic acid Palmitic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The inherited traits of an organism are controlled by RNA molecules enzymes nucleotides DNA molecules RNA molecules enzymes nucleotides DNA molecules ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a preservative to protect processed food? Sodium metabisulphite Saccharin BHT Sodium sulphate Sodium metabisulphite Saccharin BHT Sodium sulphate ANSWER DOWNLOAD EXAMIANS APP