Std 8 Guajrati Paper Solution 2022 // dhoran 8 gujarati paper solution 2022

In the preparation of ultra filter paper collodion solution is used, collodion is 4% solution nitro cellulose in a mixture of alcohol and ether 4% solution cellulose acetate in phenol 8% solution cellulose acetate in alcohol formaldehyde in water

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

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

How does a soap solution behave with red litmus paper ?

Blue litmus paper turns on contact with an acidic solution.

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: