Question

Column
(a) Rust
CI. Match the given columns
Column A
Column B
1. Physical changes (1) Reacts with sulphur
2 Copper sulphate
(in Irreversible
3. Tron
(ii) No new substance is formed
4. Carbon
(v) Turns red litmus paper blue
5. Spoilage of food
() Reacts with zinc
6 Magnesium hydroxide (vi) Oxygen and water
C2. Fill in the blanks.
(b) Chemical cha
(c) Basic in na
(d) Generally revers
(e) Zinc sulphat
(d) Both changes
5. When an iron na
(1) colour of the
(i) colour of the
(10) brown depo
(iv) brown depo
Which of the ab
(a) () and (u)
(c) (i) and (iv
(0) Endothermic​

Answer 1

Answer:

Match the given columns

Column A

Column B

1. Physical changes (1) Reacts with sulphur

2 Copper sulphate

(in Irreversible

3. Tron

(ii) No new substance is formed

4. Carbon

(v) Turns red litmus paper blue

5. Spoilage of food

() Reacts with zinc

6 Magnesium hydroxide (vi) Oxygen and water

C2. Fill in the blanks.

(b) Chemical cha

(c) Basic in na

(d) Generally revers

(e) Zinc sulphat

(d) Both changes

5. When an iron na

(1) colour of the