Question

Which of the following equations demonstrates an actual chemical reaction that forms a new substance? A.ZN + 2HCl → 2NCl2 + H2 B.H2O + NaCl → H2O C.Zn + Al + Cu → Zn + Cu + Al D.C12H22O11 + H2O → H2O + C12H22O11

Answer 1

Answer:

A

Explanation:

The first option is the only option where new products are formed.

In the D option no new product is formed.

Same goes with option C.

In B no new products are formed.

Change is said to be taken place only with formation of new products from reactants.