Fill in the blanks .

Question

1. The number of molecules of water of crystallization in washing soda is .............

2. The chemical name of baking soda is  .............

3. ............ is used in treatment of hyperthyroidism.

4. The chemical name of Teflon is ...........

Answer 1

1. The number of molecules of water of crystallization in washing soda is 10.

2. The chemical name of baking soda is sodium bicarbonate.

3. Iodine I-123is used in treatment of hyperthyroidism.

4. The chemical name of Teflon is polytetra fluoroethene.