Dhoran 6 ganit ekam Kasoti february Paper Solution 2022

When the strip of pH paper was put in a given solution the pH paper changes to orange red. The given solution is most likely to be of:

Probability | JEE Mains 2018 Online Paper Solution | All Shift

In the preparation of ultra filter paper collodion solution is used collodion is

Blue litmus paper is dipped in a solution. It remains blue. What is the nature of the solution? Explain.

Assertion (A): Ammonia solution is an alkali. Reason (R ): Ammonia solution turns blue litmus paper red.

Blue litmus paper is dipped in a solution. It remains blue. What is the nature of the solution ? Explain.

The test tube I contains sodium bicarbonate solution whereas test tube II contains lemon juice. On introducing pH paper strips in both the solutions, it is observed that the pH paper turns:

JEE Advanced 2018 | Paper - 1 | Complete Solution