Chemistry Chemical formula of washing soda is Ca(OH)2 Na2CO3.10H2O NaHCO3 Na2SO4.10H2O Ca(OH)2 Na2CO3.10H2O NaHCO3 Na2SO4.10H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used as preservative for foodstuff ? Sodium Benzoate Picric acid Sodium Chloride Glycerine Sodium Benzoate Picric acid Sodium Chloride Glycerine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most pure form of Carbon among the options is Graphite Lampblack Anthracite Wood Charcoal Graphite Lampblack Anthracite Wood Charcoal 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. A is false but R is true A is true but R is false Both A and R is true but R is not a correct explanation of A Both A and R is true and R is the correct explanation of A A is false but R is true A is true but R is false Both A and R is true but R is not a correct explanation of A Both A and R is true and R is the correct explanation of A ANSWER DOWNLOAD EXAMIANS APP
Chemistry What do you understand by the term Espuma ? Salt Calcium Soap Foam Salt Calcium Soap Foam ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a nitrogenous fetiliser? Ammonium sulphate Superphosphate Urea Ammonium nitrate Ammonium sulphate Superphosphate Urea Ammonium nitrate ANSWER DOWNLOAD EXAMIANS APP