Science Class-10 Chapter-1 Question Bank Part– 7
Q1. A substance ‘X’ is used in white-washing and is obtained by heating limestone in the absence of air. The substance ‘X’ is (A)
Q1. A substance ‘X’ is used in white-washing and is obtained by heating limestone in the absence of air. The substance ‘X’ is (A)
Q1. Balanced equation of Fe + H2O → Fe3O4 + H2 is (A) Fe + 4H2O → Fe3O4 + H2 (B) Fe + 4H2O
Q1. In which of the following heat is absorbed generally? (A) Combination reaction (B) Decomposition reaction (C) Displacement reaction (D) Double displacement reaction Q2.
Q1. Dilute hydrochloric acid is added to granulated zinc taken in a test tube.The following observations are recorded. Point out the correct observation. (A)
Q1. In which of the following equations, the mass is not same on both the sides (A) Word equation (B) Skeletal equation (C) Balanced