Chemical Reactions And Equations Science Class 10 Selected Important Questions:- OMR Q:- Which of the following metals can replace copper from a solution of a copper sulphate ? (a) Silver (b) Gold (c) Zinc (d) Mercury Ans :- (c) Zinc Q:- The process of respiration is – (a) Endothermic reaction (b) Exothermic reaction (c) Both […]