Question

Which of the following will turn blue litmus to red​

Answer 1

Answer:

blue to red

Explanation:

Sulphurous acid (H2SO3) is a dibasic acid which releases two hydrogens when dissolved in water. Since it's an acid it will change the blue litmus to red.

Answer 2

Answer:

Vinegar will turn blue litmus red. It is an aqueous solution of acetic acid.

Sulphurous acid (H2SO3) is a dibasic acid which releases two hydrogens when dissolved in water. Since it's an acid it will change the blue litmus to red

Baking soda solution will turn red litmus blue.

vinegar

Sulphurous acid

Baking soda solution

all will turn blue litmus to red

Explanation:

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