Chemistry Which of the following metals occurs in free state ? Copper Lead Zinc Iron Copper Lead Zinc Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lowest layer of earth's atmosphere is Mesosphere Ionosphere Troposphere Stratosphere Mesosphere Ionosphere Troposphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rock salt is a mineral containing Potassium Sodium Iron Magnesium Potassium Sodium Iron Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry White phosphorus is generally kept under Kerosene oil Water Glycerine Alcohol Kerosene oil Water Glycerine Alcohol 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 true but R is false Both A and R is true and R is the correct explanation of A A is false but R is true Both A and R is true but R is not a correct explanation of A A is true but R is false Both A and R is true and R is the correct explanation of A A is false but R is true Both A and R is true but R is not a correct explanation of A ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the principal ore of aluminium ? Lignite Copper Bauxite Dolomite Lignite Copper Bauxite Dolomite ANSWER DOWNLOAD EXAMIANS APP