Question

................ is the change in the value of a quantity with change in another variable.

• A. Variant
• B. Valency
• C. Gradient
• D. Density

Answer 1

Answer: (C)

Gradient

Gradient is the change in the value of a quantity with change in another variable. Example time, solute concentration, pressure potential, solute potential, etc.

Density is the degree of compactness of a substance.

Valency is the number of electrons an atom can donate, share or accept to achieve a stable octet.

Variant is a quantity that changes its value.

So the correct answer is 'Gradient'.