Nature of Matter: Elements, Compounds, and Mixtures
CBSE · Class 8 · Science
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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.
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।…
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.
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।…
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.
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।…
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.
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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