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Properties of Matter & their Measurement Video Lecture | Chemistry Class 11 - NEET

195 videos|337 docs|190 tests

Timeline

00:00 Introduction
00:20 Topics to be Covered
00:41 Properties of Matter
02:12 Measurement Units
05:20 Measurement Systems
08:02 Uncertainty in Measurement
11:50 Question 1
14:40 Question 2
17:44 Question 3
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FAQs on Properties of Matter & their Measurement Video Lecture - Chemistry Class 11 - NEET

1. What are the properties of matter?
Ans. Properties of matter are the characteristics or qualities that describe and identify a substance. They include physical properties such as color, shape, size, density, and state (solid, liquid, gas), as well as chemical properties like reactivity, flammability, and acidity.
2. How are the properties of matter measured?
Ans. The properties of matter can be measured using various scientific instruments and techniques. For example, the color of a substance can be measured using a spectrophotometer, size can be measured using rulers or calipers, density can be determined by dividing mass by volume, and state can be observed through changes in temperature and pressure.
3. Why is it important to measure the properties of matter?
Ans. Measuring the properties of matter is crucial in various scientific fields. It helps in identifying and classifying substances, understanding their behavior and interactions, predicting their physical and chemical changes, and designing appropriate applications. It also allows scientists to compare and analyze different materials for specific purposes.
4. How do physical and chemical properties differ?
Ans. Physical properties describe the characteristics of a substance that can be observed or measured without changing its chemical composition. Examples include color, shape, and state. On the other hand, chemical properties describe how a substance interacts with other substances, leading to changes in its composition. Examples include reactivity, flammability, and toxicity.
5. Can the properties of matter change?
Ans. Yes, the properties of matter can change under different conditions. For example, heating a solid can change its state from solid to liquid, and further heating can convert it into a gas. Chemical reactions can also cause changes in the properties of matter, such as color changes, release of gases, or formation of new substances.
195 videos|337 docs|190 tests

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