According to the law of conservation of mass, which quantity remains the same before and after a chemical reaction?
Answer and explanation
Correct answer: Total mass
According to the law of conservation of mass, mass is neither created nor destroyed in a chemical reaction. Therefore, the total mass of the reactants equals the total mass of the products. Temperature and volume may change, and the physical state of substances may also change.
Frequently asked questions
What is the correct answer to this question?
Total mass
Why is this the correct answer?
According to the law of conservation of mass, mass is neither created nor destroyed in a chemical reaction. Therefore, the total mass of the reactants equals the total mass of the products. Temperature and volume may change, and the physical state of substances may also change.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Chemical Substances – Nature and Behaviour. Topic: Chemical Reactions and Equations.
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