Particulate Nature of Matter
CBSE · Class 8 · Science
Flashcards for Particulate Nature of Matter — CBSE Class 8 Science. Quick Q&A cards covering key concepts, definitions, and formulas.
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What is matter made of?
Answer
Matter is composed of extremely small particles held together by interparticle attractions. These tiny particles are the building blocks of all substances.
पदार्थ किससे बना है?
Answer
पदार्थ अत्यन्त सूक्ष्म कणों से मिलकर बना होता है जो परस्पर आकर्षण के बल से एक साथ जुड़े रहते हैं। ये सूक्ष्म कण ही सभी पदार्थों के निर्माण खंड हैं।…
What is a constituent particle?
Answer
A constituent particle is the basic unit that makes up a larger piece of a substance or material. A whole substance is built from many such particles.
घटक कण क्या होता है?
Answer
घटक कण वह मूलक कण है जो किसी पदार्थ या सामग्री के बड़े टुकड़े को बनाता है। एक सम्पूर्ण पदार्थ ऐसे कई कणों से मिलकर बनता है।…
What happens when chalk is broken or ground into powder?
Answer
Grinding chalk is a physical change. The chalk does not become a new substance; only the size of its pieces becomes smaller.
जब चाक को तोड़ा या पाउडर में पीसा जाता है तो क्या होता है?
Answer
चाक पीसना एक भौतिक परिवर्तन है। चाक कोई नया पदार्थ नहीं बनता है। केवल उसके टुकड़ों का आकार छोटा हो जाता है।…
Why does sugar seem to disappear in water?
Answer
Sugar breaks into its constituent particles and spreads through the spaces between water particles. The sugar is still present, but the particles are too small to see.
पानी में चीनी गायब क्यों हो जाती है?
Answer
चीनी अपने घटक कणों में टूट जाती है और पानी के कणों के बीच के स्थानों में फैल जाती है। चीनी अभी भी मौजूद है, लेकिन कण इतने छोटे होते हैं कि दिखाई नहीं देते।…
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- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
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