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प्रश्न
Air is a pure substance.
विकल्प
True
False
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.
A ______ substance is made up of only one kind of particle.
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.
Name the process associated with the following
Dry ice is kept at room temperature and at one atmospheric pressure.
Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are coloured.
The allotropic form of a non-metal is a good conductor of electricity. Name the allotrope.
How are pure substances classified?
What are the characteristics of Pure Substances? (or) List out the characteristics of Pure Substances.