Question

Q. 1: Four test-tubes A, B, C & D containing milk of magnesia, baking powder, vinegar & water
respectively. What change is expected when red & blue litmus paper is immersed in these tesť tubes?
Test-Tube Solution
Colour change in red litmus
Colour change in blue litmus paper
paper
A
Milk of magnesia
B
Baking powder
С
Vinegar
D
Water​

Answer 1

Answer:

a.red to blue

b.red to blue

c.red to blue

d.red to blu

Explanation:

litmus paper turns red to blue in a basic solution

litmus paper turns blue to red in acidic solution