MCQ Questions for CBSE Class 10th Science Chemical Reaction And Equation Introductions With Answers

Count number of atoms on both sides, for each element.

Hint Not Available

Displacement reaction

How would you represent oxygen molecule and what are the valencies of both oxygen and magnesium

Check for the number of atoms on both sides of the equation.

Check for the number of atoms on both sides of the equation.

Hint Not Available

Think about the things that have happened during a chemical reaction.

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Think about which law the chemical equation satisfies.