Question

Give solution for 4th question

options are:

A. matter can change its state during chemical reactions

B. matter cannot be created or destroyed during chemical reactions

C. heat is an important input in chemical reactions

D. all chemical reactions are always reversible

Answer 1

Answer:

B. matter cannot be created or destroyed during chemical reactions

Explanation:

Chemical equations are balanced based on the Law Of Conservation Of Mass

Answer 2

Answer:

4.Chemical equations are balanced to reflect that matter cannot be created or destroyed during chemical reactions

Ans:-(B)matter cannot be created or destroyed during chemical reactions

Explanation:

The Law of Conservation of Mass:-

Matter can change form through physical and chemical changes

but through any of these changes

matter is conserved. The same amount of matter cannot be created or destroyed. This concept is called

the Law of Conservation of Mass

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