Question

Match the following substances with their effect on litmus paper. (Note: More than one substance can show same litmus test)

Substance	Litmus test
Lime water	(i) Blue litmus to red
Vinegar	(ii) Red litmus to blue
Common salt	(iii) No colour change
Ammonium hydroxide

• A. Lime water and vinegar - (i), Ammonium hydroxide - (ii) , Common salt - (iii)
• B. Lime water and ammonium hydroxide - (ii), Vinegar - (i), Common salt - (iii)
• C. Lime water and ammonium hydroxide - (ii), Vinegar - (iii), Common salt - (i)
• D. Common salt and vinegar - (i), Ammonium hydroxide - (ii), Lime water - (iii)

Answer 1

The correct option is B Lime water and ammonium hydroxide - (ii), Vinegar - (i), Common salt - (iii)