Question

Common salt is a compound and not a mixture. Justify the statement giving two reasons.​

Answer 1

Answer:

1) It is held tightly through bonds called chemical bonds which is the characteristic of compound and not mixture. 2) It cannot be separated by physical means but can be separated by chemical means

Answer 2

Explanation:

Work is said to be done when a force applied on the body displaces the body through a certain distance in the direction of force. By resolving force →F into two components : (i) F cosθ in the direction of displacement of the body. (ii) F sinθ in the perpendicular direction of displacement of the body.