Which of the following statements is true?

 Which of the following statements is true?

A. The total mass of the system remains same in a chemical change

B. A chemical change is permanent and irreversible

C. A physical change is temporary and reversible

D. All of the above

Answer D) All of the above

Explanation:

According to the law of conservation of mass, mass is neither created nor destroyed in chemical reactions. So option A is true.

As we know that chemical change is permanent and we cannot convert the product into the reactant. While physical is temporary and reversible. Like turning of water into ice is a physical change.

Therefore, All the options are true.

Also Read – Which of the following is not a lipid?

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