Explanation

 In any mixture of gases, the sum of the mole fractions of all components is always equal to 1.

Explanation

DEPRECIATE  "قیمت میں کمی ہونا" یا "عزت گھٹنا"

Devalue "قیمت کم کرنا" یا "اہمیت کم کرنا"

Explanation

LUNACY  پاگل پن

Madness  جنون

Explanation

ر قدیم / بنیادی Primitive

Friendship – دوستی 

The endearing primitive trait of the Earth people, as often described in literature and science fiction, is their friendship

Explanation

Cellulose is the most abundant carbohydrate in plants and a major component of the plant cell wall.

It provides structural support.

It is made of long chains of glucose molecules.

Explanation

Molten NaCl conducts electricity.

Because it contains free-moving Na⁺ and Cl⁻ ions.

Explanation

Simple harmonic motion (SHM) is also known as oscillatory motion or periodic motion.

It can also be referred to as harmonic oscillation.

It is a system exhibiting SHM that is often called a simple harmonic oscillator. 

Explanation

In semiconductors, when an electron leaves its position in the valence band, it creates a "hole" which can act as a positive charge carrier.

This is why holes are primarily associated with semiconductors. 

Explanation

 The brave do not yield to the enemy.

بہادر دشمن کے سامنے نہیں جھکتے۔

"Yield to" is a common phrase meaning to surrender or give in to someone or something.

In this sentence, it means the brave do not surrender to the enemy.

Explanation

All of these compounds are alcohols, but the shorter the carbon chain, the more soluble they are in water.

Ethanol (C2H5OH) has the shortest carbon chain among the options, making it the most capable of forming hydrogen bonds with water molecules, thus leading to higher solubility.