Chemistry The highest volume of gases in lower atmosphere is comprised of Oxygen Nitrogen Carbon dioxide Hydrogen Oxygen Nitrogen Carbon dioxide Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Browning of paper in old books is caused by Oxidation of cellulose Lack of aeration Frequent use Collection of dust Oxidation of cellulose Lack of aeration Frequent use Collection of dust ANSWER DOWNLOAD EXAMIANS APP
Chemistry A detergent is a Drug Soap Catalyst Cleansing agent Drug Soap Catalyst Cleansing agent ANSWER DOWNLOAD EXAMIANS APP
Chemistry Assertion (A) : Synthetic detergents can lather wen in hard water.Reason (R) : Synthetic detergents form soluble calcium and magnesium salts with hard water. Both A and R is true and R is the correct explanation of A Both A and R is true but R is not a correct explanation of A A is false but R is true A is true but R is false Both A and R is true and R is the correct explanation of A Both A and R is true but R is not a correct explanation of A A is false but R is true A is true but R is false ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as preservative for foodstuff ? Sodium Benzoate Sodium Chloride Picric acid Glycerine Sodium Benzoate Sodium Chloride Picric acid Glycerine ANSWER DOWNLOAD EXAMIANS APP
Chemistry When iron rusts, its weight First increases and then decreases Decreases Remains the same Increases First increases and then decreases Decreases Remains the same Increases ANSWER DOWNLOAD EXAMIANS APP
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