Question

B. Match these commonly used substances with their chemical names.
Column A
Column B
1. PVC
a.
Sodium Carbonate
2. Dry Ice
b. Sodium Chloride
3. Baking Powder
c. Dichloro-Diphenyl Trichloroethane
4. Washing Soda
d. Naphthalene
5. DDT
e Acetic Acid
6. Chalk
f. Calcium Sulphate Hemihydrate
7. Plaster of Paris
Sodium Bicarbonate
8. Vinegar
h. Frozen Carbon Dioxide
9. Moth Balls
i. Calcium Carbonate
10. Common Salt
j. Polyvinyl Chloride​

Answer 1

Explanation:

• PVC - j. Polyvinyl Chloride
• Dry Ice - h. Frozen Carbon Dioxide
• Baking Powder - a. Sodium Carbonate
• Washing Soda - f. Calcium Sulphate Hemihydrate
• DDT - c. Dichloro-Diphenyl Trichloroethane
• Chalk - i. Calcium Carbonate
• Plaster of Paris - f. Calcium Sulphate Hemihydrate
• Vinegar - e. Acetic Acid

1. Moth Balls - d. Naphthalene

• Common Salt - b. Sodium Chloride

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