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प्रश्न
Air is a pure substance.
पर्याय
True
False
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उत्तर
Air is a pure substance- False.
correct statement
Air is a mixture of gases.
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संबंधित प्रश्न
Give the main difference between a pure substance and an impure substance.
______ has the same properties throughout the sample.
Which of the following are pure substances? Ice, Milk, Iron, Hydrochloric acid, Mercury, Brick and Water.
We mix rice, dal, salt, chilies, pepper, ghee, and other ingredients to make Pongal. So Pongal is also a ______.
Complete the Analogy.
Made up of one kind of particles: Pure substance:: Chemical combination of two or more element: ______.
Give any two characters of a pure substance.
Iron filings and sulphur were mixed together and divided into two parts, ‘A’ and ‘B’. Part ‘A’ was heated strongly while Part ‘B’ was not heated. Dilute hydrochloric acid was added to both Parts and evolution of gas was seen in both cases. How will you identify the gases that evolved?
A substance must absorb ______ so that it can melt.
Name some substances that are sublime.
What are the characteristics of Pure Substances? (or) List out the characteristics of Pure Substances.
