January 2025
Intermediate to advanced
568 pages
18h 34m
English
1. Air has mass and occupies space.
2. Cold is the measurement of temperature, have no mass and occupy space.
3. Pure substance is made up of same kind of atoms.
4. They mixed uniformly.
5. Mixtures are called heterogeneous mixtures as they do not have a uniform composition throughout. Examples: Mud mixed in water, mixture of oil and water, and soil.
6. Stones can be removed from rice by handpicking on the basis of difference in size.
Stalks and seeds are separated by threshing.
7. Iron fillings and sulphur powder can be separated by magnetic separation.
8. Ammonium chloride and sodium chloride is different in the property of sublimation.
9. Sugar and salt are soluble ...
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