Question

red litmus turns blue or blue litmus turns red or no change in litmus .say fast please​

Answer 1

Answer:

Light Blue litmus paper turns red under acidic conditions and red litmus paper turns blue under basic or alkaline conditions

Answer 2

Answer:

for lemon juice blue litmus turns red and red litmus remains red

for washing soda blue litmus remains blue and red litmus turns blue

for baking soda blue litmus remains blue and red litmus turns blue