NTSE Revision Test 7 January 2022 Solution | NTSE solution PSEB | SAT test solution | GAURAV CROOKS

Find the mole fraction of solute in its 7 molal aqueous solution.

The percentage of Mg^(2+) ions in a solution can be tested by adding a solution of

Give a chemical test to distinguish between the following pairs of chemicals: i] Lead nitrate solution & zinc nitrate solution. ii] Sodium chloride solution & sodium nitrate solution.

Iodine solution is used for testing the presence of

Name an aqueous salt solution used for testing sulphate radical.

Give the chemistry of sliver mirror test and Fehling solution test for glucose.

The organic compound that will response Fehling's solution test is

Give a chemical test to distinguish between the pairs of compounds : Sodium chloride solution and sodium carbonate solution

What is Lassaigne's solution and how is it prepared ? Discuss the chemistry of the tests used for the detection of following elements using this solution. (A) Sulphur