Chemistry Concentration of a material which is lethal to 50% animal is called ADI LD50 NOAEL LC50 ADI LD50 NOAEL LC50 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The oxidation number of nickel in K4[Ni(CN)4] is Zero 4 –4 8 Zero 4 –4 8 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Catalyst is a substance which Decreases the rate of reaction None of these Increases the rate of the reaction Has no action on the rate of the reaction Decreases the rate of reaction None of these Increases the rate of the reaction Has no action on the rate of the reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Equal masses of oxygen, hydrogen and methane are kept under identical conditions. The ratio of the volumes of gases will be 1 : 1 : 1 2 : 16 : 2 1 : 16 : 2 2 : 16 : 1 1 : 1 : 1 2 : 16 : 2 1 : 16 : 2 2 : 16 : 1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The advantage of detergents over soaps is Soaps give lather with only soft water Detergents could not give much lather Detergents are soluble in water Detergents give lather even with hard water Soaps give lather with only soft water Detergents could not give much lather Detergents are soluble in water Detergents give lather even with hard water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Photo chemical smog is a resultant of the reaction among High concentration of NO2, O3, and CO in the evening CO, CO2 and NO2at low temperature NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight CO, O2 and peroxy acetyl nitrate in the presence of Sunlight High concentration of NO2, O3, and CO in the evening CO, CO2 and NO2at low temperature NO2, O3 and peroxy acetyl nitrate in the presence of Sunlight CO, O2 and peroxy acetyl nitrate in the presence of Sunlight ANSWER DOWNLOAD EXAMIANS APP