Explanation

Largely بڑی حد تک

Explanation

Benzene is an organic compound.

Molecular formula C3H3.

A benzene molecule is composed of six carbon atoms connected to a planar ring, each with a hydrogen atom.

Benzene is classified as a hydrocarbon because it contains only carbon and hydrogen atoms.

Empirical  Formula: C6H6

Explanation

 Active voice:- Open the door.

Passive voice:- Let the door be opened.

For order:

Active Voice Formula: V + object.

Passive Voice Formula: Let + subject + be + V

Last updated question by NS on 11 May 2026

Explanation

From 6 → 9, we add 3.

From 9 → 12, we again add 3.

Following the same pattern:

12 + 3 = 15

Explanation

Word offers two-page orientation options: landscape and portrait.

ND26-9-2023

Explanation

• The father of Modern Chemistry is known as Antoine Lavoisier 
• 1743 → Born in Paris, France
• 1770s → Began major experiments on combustion
• 1789 → Published Elementary Treatise of Chemistry
• 1794 → Died during the French Revolution

Last updated by NA on 23-April-2026