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)
Chemistry Class 10
Science Class-10 Chapter-1 Question Bank Part– 6
Q1. Balanced equation of Fe + H2O → Fe3O4 + H2 is (A) Fe + 4H2O → Fe3O4 + H2 (B) Fe + 4H2O
Science Class-10 Chapter-1 Question Bank Part– 3
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)
Science Class-10 Chapter-1 Question Bank Part– 2
Q1. In the double displacement reaction between aqueous potassium iodide and aqueous lead nitrate, a yellow precipitate of lead iodide is formed. While performing the