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प्रश्न
Complete the statement given below by filling in the blank with the correct word.
An element is a pure substance which cannot be broken down by physical or _________ methods.
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उत्तर
An element is a pure substance which cannot be broken down by physical or chemical methods.
संबंधित प्रश्न
Why is it necessary to separate the constituents of a mixture.
Give two examples of the following.
Non-metals which are solids
Fill in the blank
_________ refers to the number of atoms in the molecule of an element
Give three differences between elements & compounds with relevant examples.
Give an example of two liquids which form homogenous.
Give an example of two liquids that form heterogeneous mixtures.
Elements are the______ form of pure substances.
Differentiate between elements and compounds.
Complete the table:
| Element | Latin Name | Symbol |
| Mercury | ______ | Hg |
| Lead | Plumbum | ______ |
| Iron | ______ | Fe |
| Potassium | Kalium | ______ |
Elements contain the ______of the same kind.
