Model test Paper solution | CBSE | jharkhand board

Model test paper class 9

NEET 2021 physics paper solution

Each of these solution is added to a mixture of aqueous solution oof iodide and chloroform test for iodine when the solution are vigeorrously mixed?

The compound formed in the positive test for nitrogen with Lassaigne's solution of an organic compound is

The blue compound formed in the positive test for nitrogen with Lassaigne solution of an organic compound is

What happens when a solution of potassium iodide is added to a solution of lead nitrate taken in a test tube?

Rekha has to cover a board in her class with a piece of red paper. The board is rectangular in shape. The length of the board is 7 units more than thrice its breadth. Answer the following. a. If the breadth is p, find the rule for finding the area of the piece of red paper that Rekha needs to cover the board with. b. Use the rule to find the required area of the paper, given that the breadth of the board is 40 cm.

You are provided with three test tubes A, B and C which contain distilled water, acidic solution and basic solution respectively. If you are given blue litmus paper only, how will you identify the contents of each test tube ?