Question

1.What changes can be seen when acids and bases are treated with litmus solution
2.What observations can be made when dilute HCl is made to react with
(a) Moist blue litmus paper
(b) Zinc metal
(e) Zinc metal on heating
(d) Solid Sodium carbonate.
​

Answer 1

Answer:

1. Acid turns blue litmus red

base turns red litmus blue

2.

a. turn red

Answer 2

Answer:

1... acid turn blue litmus paper into red colour where as based turn red litmus paper into blue colour

2.a)..it turns the blue litmus paper into red

b)..it reacts and form zinc chloride

c)..