Question

Whoever answers these questions correctly i will mark them brainliest

Answer 1

Answer:

Explanation:

4.

Plaster of Paris =

Used in making casts and patterns for molds and statues.

Used as the cement in ornamental casting and for making decorative materials

Baking Soda =

Treat heartburn.

Mouthwash

5. The method of preparation of bleaching powder is:

i. Chlorine gas is used for the manufacture of bleaching powder.

ii. When dry slaked lime is passed through chlorine gas, it forms bleaching powder.

iii. The reaction takes place is given as: ( refer attachment )

6. Na₂CO₃ (a)

7. Red (b)

8. NaOH and H₂SO₄ (d)

9. H₂ (a)