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
Q1. Balanced equation of Fe + H2O → Fe3O4 + H2 is (A) Fe + 4H2O → Fe3O4 + H2 (B) Fe + 4H2O
Q1. In which of the following category will you put the reaction of heating of calcium carbonate? (A) Decomposition reaction (B) Thermal decomposition reaction
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 the double displacement reaction between aqueous potassium iodide and aqueous lead nitrate, a yellow precipitate of lead iodide is formed. While performing the
Q1. In which of the following equations, the mass is not same on both the sides (A) Word equation (B) Skeletal equation (C) Balanced