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Formula Sheet

Matter in Our Surroundings — Formula Sheet

Punjab Board · Class 9 · Science

2 formulas from Matter in Our Surroundings (Punjab Board Class 9 Science) on one page, grouped by topic. Part of the Punjab Board Class 9 Science syllabus.

45 questions40 flashcards2 formulas & key relations5 concepts

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A comparison showing the diffusion of ink and honey in water over time, highlighting that particles are continuously moving and diffusion rate varies.
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2 Entries · 1 Section

Formulas and Key Relations

Change of State of Matter

Melting (Fusion)

Solid → Liquid. Melting point of ice = 273.15 K (0°C).

Boiling (Vaporisation)

Liquid → Gas. Boiling point of water = 373 K (100°C).

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Frequently Asked Questions

What are the important topics in Matter in Our Surroundings for Punjab Board Class 9 Science?
Key topics in Matter in Our Surroundings include Physical Nature of Matter, Characteristics of Particles of Matter, States of Matter – Solid, Liquid, and Gas, Change of State of Matter. Study these first, then practise questions on each for Class 9 exams.
How many formulas are in Matter in Our Surroundings?
This sheet lists 2 formulas from Matter in Our Surroundings, grouped by topic. Learn what each symbol stands for so you can apply the formula, not just recall it.
How should I revise Matter in Our Surroundings for Class 9 exams?
Learn the core ideas first, then work through the 45 practice questions on Matter in Our Surroundings. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for Matter in Our Surroundings

All Punjab Board Class 9 Science Formula Sheet

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