Police constable paper solution

11th class English model paper solution

An acid turns blue litmus paper or solution ________

Find the number of ways in which 16 constables can be assigned to patrol villages, 2 for each.

NEET 2021 physics paper solution

A student prepared solutions of (i) an acid and (ii) a base in two separate beakers. She forgot to label the solutions and litmus paper is not available in the laboratory. Since both the solutions are colourless how will she distinguish between the two ?

Model test paper

Amongst the following, the total number of compounds whose aqueous solution turns red litmus paper blue is:

State true or false : Particles of a colloidal solution can be filtered through a filter paper.

State your observation - i] A piece of moist blue litmus paper ii] paper soaked in potassium permanganate solution - is introduced in each case into a jar of sulphur dioxide.

A 1 cm xx 1 cm square paper coated with a suitable adsorbent on both sides. The paper is dipped in a aqueous solution of glucose of volume 20 mL and concentration 20 ppm. Final concentration glucose was dropped to 19 ppm due to adsorption. Find the number of glucose particles per unit area of the paper.