Class 10th Science Multiple Choice Questions
Class 10th Science Multiple Choice Questions 1) What is a balanced chemical equation? The equation in which the number of reactants is equal to the number of products. The equation in which the size of the reactant is equal to the size of the product. The equation in which the number of atoms of the reactant is equal to the number of atoms of the product. The equation in which the number of the molecule is equal to the number of the product. Answer: (c) The equation in which the number of atoms of the reactant is equal to the number of atoms of the product. Explanation: An equation of mass value can neither be created nor destroyed, so the mass and atom value on both sides of the equation must be equal. 2) Sodium + Water → Sodium Hydroxide + Hydrogen Sodium Hydrate + Hydrogen Sodium Hydroxide + Water Sodium Hydride + Water Answer: (a) Sodium Hydroxide + Hydrogen. Explanation: Sodium + Water → Sodium Hydroxide + Hydrogen. 3) What is the color of the silver chloride? Grey Whit...