Question

1.Write one difference between Oxidation and Reduction.

2. Identify the substances that are Oxidised or Reduced in the following reactions?

(i) C (s) + O2 (g) → CO2 (g)

(ii) H

2

+ Br

2

→ 2HBr

(iii) 4 HCl + O

2.

→ 2Cl

2

+ 2H

2

O

(iv) ZnO + C → ZnO + C

3. Neena found that her anklet turned black after few days .In this process Silver is oxidized or

reduced?​

Answer 1

Answer:

1.Oxidation occurs when a reactant loses electrons during the reaction. Reduction occurs when a reactant gains electrons during the reaction. This often occurs when metals are reacted with acid.

Explanation:

3.oxidized

2 has not been answered