Question

3. Displacement reaction takes place when a ______ reactive metal displaces a ______ reactive metal from its salt
solution.

4. In a chemical change, the substance undergoes a change in its ______ , ______​

Answer 1

Answer:

3.Displacement reaction takes place when a more reactive metal displaces a less reactive metal from its salt solution.

4.In a chemical change,the substance undergoes a change in its chemical synthesis, chemical decomposition into two or more different substances.

Answer 2

Answer:

3.Displacement reaction takes place when a more reactive metal displaces a less reactive metal from its salt solution.