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)
Class-10 Science Quiz
Science Class-10 Chapter-1 Question Bank Part– 5
Q1. In which of the following category will you put the reaction of heating of calcium carbonate? (A) Decomposition reaction (B) Thermal decomposition reaction
Science Class-10 Chapter-1 Question Bank Part– 4
Q1. In which of the following heat is absorbed generally? (A) Combination reaction (B) Decomposition reaction (C) Displacement reaction (D) Double displacement reaction Q2.