Question

Write true or false for each statement. Rewrite the false statements correctly,

1. Metals react with acids to form hydrogen and water.
2. In substitution reactions, more reactive metals get replaced by less reactive metals.
3. Oxidation and reduction takes place simultaneously together.
4. Reduction is a process in which loss of electrons takes place.
5. In catalysis, the rate of reaction does not alter.
6. Melting point is a characteristic property of a substance.
7. Naphthalene boils at 400°C.
8. An impure substance melts at a higher temperature than a pure substance.
9. Oxidation and reduction reactions take place simultaneously.
10. Enzymes in the human body function as a catalyst.​

Answer 1

Answer:

1. false

2. not confirmed

3. true

4. false

5. false

6. true

7. not confirmed

8. true

9. true

10. true

Answer 2

Answer:

sab me true ayega guarantee h meri app fail nhi hoge