A colourless liquid turns blue litmus paper into red and reacts with magnesium to produce a gas. What is the colourless liquid ?

Open in App

Solution

It will be any acid like H2SO4. It reacts with Mg and gives H2 and MgSO4

Suggest Corrections

Similar questions

A drop of colourless liquid is poured over blue litmus paper and it turns to red. The colourless liquid is:

A gas 'A' reacts with another gas 'B' in the presence of a catalyst to give a colourless gas 'C'. The gas 'C' when comes in contact with air produces a brown gas 'D'. The solution of 'A' in water turns red litmus blue. Explain the observations.

Q. What do we observe on pouring acetic acid on red blue litmus papers ?
(a) Red litmus remains red and blue litmus turns red.
(b) Red litmus turns blue and blue litmus remains blue.
(c) Red litmus turns blue and blue litmus turns red.
(d) Red litmus becomes colourless and blue litmus remains blue.

A Drop of colourless liquid was placed on blue litmus paper. The litmus paper turned red. The liquid could be :
(1) dilute hydrochloric acid
(2) dilute sodium hydroxide solution
(3) distilled water
(4) sodium bicarbonate solution

Q. A colourless gas is dissolved in water and the resulting solution turns red litmus blue. Which of the following gases shows this type of reaction?

Join BYJU'S Learning Program