Chemistry Browning of paper in old books is caused by Frequent use Collection of dust Oxidation of cellulose Lack of aeration Frequent use Collection of dust Oxidation of cellulose Lack of aeration ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heat value of combustion of Gasoline is 14600 kJ/kg 39400 kJ/kg 47000 kJ/kg 12600 kJ/kg 14600 kJ/kg 39400 kJ/kg 47000 kJ/kg 12600 kJ/kg ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance which does not expand on going from liquid state to solid state is Aluminium Type metal Water Cast-iron Aluminium Type metal Water Cast-iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Carborundum is another name of Silicon carbide Calcium carbide Silicon oxide Calcium oxide Silicon carbide Calcium carbide Silicon oxide Calcium oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first organic compound synthesised in the laboratory was Urea Glucose Uric acid Lactic acid Urea Glucose Uric acid Lactic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following minerals is found in pure form? Copper Iron Manganese Bauxite Copper Iron Manganese Bauxite ANSWER DOWNLOAD EXAMIANS APP