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Nature of Matter: Elements, Compounds, and Mixtures

CBSE · Class 8 · Science

Flashcards for Nature of Matter: Elements, Compounds, and Mixtures — CBSE Class 8 Science. Quick Q&A cards covering key concepts, definitions, and formulas.

44 questions76 flashcards5 concepts

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76 Flashcards
Card 1Matter and building blocks

What is matter?

Answer

Matter is anything that has mass and occupies space. Elements and compounds are the building blocks of matter, but light, heat, electricity, thoughts, and emotions are not matter.

Card 2पदार्थ और निर्माण खंड

पदार्थ क्या है?

Answer

पदार्थ वह है जिसका द्रव्यमान हो और जो स्थान घेरे। तत्व और यौगिक पदार्थ के निर्माण खंड हैं, लेकिन प्रकाश, गर्मी, बिजली, विचार और भावनाएँ पदार्थ नहीं हैं।

Card 3Mixtures

What is a mixture?

Answer

When two or more substances are mixed, where each substance retains its properties, it is called a mixture. The substances do not react chemically with each other.

Card 4मिश्रण

मिश्रण क्या होता है?

Answer

जब दो या दो से अधिक पदार्थ मिश्रित किए जाते हैं, जिसमें प्रत्येक पदार्थ अपने गुणधर्मों को बरकरार रखता है, तो इसे मिश्रण कहते हैं। पदार्थ एक दूसरे के साथ रासायनिक प्रतिक्रिया नहीं करते हैं।

Card 5Mixture components

What are components of a mixture?

Answer

The individual substances that make up a mixture are called its components. In science, all components of a mixture must be pure substances.

Card 6मिश्रित घटक

मिश्रण के घटक क्या हैं?

Answer

मिश्रण बनाने वाले अलग-अलग पदार्थों को उसके घटक कहते हैं। विज्ञान में मिश्रण के सभी घटक शुद्ध पदार्थ होने चाहिए।

Card 7Types of mixtures

How can a non-uniform mixture be identified?

Answer

In a non-uniform mixture, the different components are generally visible to the naked eye or with a magnifying device. The mixture is not the same throughout.

Card 8मिश्रण के प्रकार

एक असमान मिश्रण की पहचान कैसे की जा सकती है?

Answer

असमिश्रित मिश्रण में भिन्न भिन्न घटक सामान्यतः नग्न आँखों से या आवर्धक यंत्र से देखे जा सकते हैं। मिश्रण में सभी भाग एक समान नहीं होते हैं।

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What are the important topics in Nature of Matter: Elements, Compounds, and Mixtures for CBSE Class 8 Science?
Nature of Matter: Elements, Compounds, and Mixtures covers several key topics that are frequently asked in CBSE Class 8 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Nature of Matter: Elements, Compounds, and Mixtures — CBSE Class 8 Science?
Understand the core concepts first, then work through the 44 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.
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