Explanation

Sodium chloride (NaCl) dissolves in water because it is an ionic compound that dissociates into ions.

Water molecules surround and separate the sodium and chloride ions, allowing it to dissolve.

Explanation

The correct phrase is "The house is on fire", meaning the house is burning.

The preposition "on" is used when referring to something being in the state of burning or combustion.

Explanation

A lesson plan helps organize teaching materials, objectives, and activities effectively.

It serves as a guide for delivering the lesson in a structured and purposeful way.

Explanation

A preposition links nouns, pronouns, or phrases to other words in a sentence.

It shows relationships like direction, place, time, or cause (e.g., in, on, at, by).

Explanation

مخمس ایسی نظم کو کہتے ہیں جس کے ہر بند میں پانچ مصرعے ہوتے ہیں۔

یہ ایک خاص قسم کی شعری ترتیب ہوتی ہے جو مخصوص قافیہ کے ساتھ ہوتی ہے۔

Explanation

Washing soda, also known as sodium carbonate (Na₂CO₃).

It is made up of sodium (Na), carbon (C), and oxygen (O).

It is commonly used for cleaning purposes due to its ability to soften water and remove stains.

Explanation

جوامع الکلم کا مطلب ہے وہ مختصر مگر پرمعنی الفاظ جو وسیع مفہوم کو بیان کریں۔

رسول اللہ صلی اللہ علیہ وسلم کی حدیثیں جوامع الکلم کی مثال ہیں کیونکہ وہ کم الفاظ میں بہت بڑی حکمت یا تعلیم دیتے ہیں۔

Explanation

Personality refers to the enduring patterns of thoughts, emotions, and behaviors that define how a person consistently interacts with the world.

It is shaped by biological, psychological, and environmental factors, and remains relatively stable over time.

Explanation

This house was built by them in 1990.

The sentence is in past simple tense ("built"), so passive voice becomes "was built."

The object "this house" becomes the subject in passive voice.

Explanation

Ball has a long vowel sound (/ɔː/) as in "ball."

Dog has a short vowel sound (/ɒ/ or /ɔː/ depending on dialect, but generally short).

Hat has a short vowel sound (/æ/).

Big has a short vowel sound (/ɪ/).