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प्रश्न
Match the Columns:
| Column A | Column B | ||
| (a) | Metals | (i) | Non-Reactive |
| (b) | Molecules | (ii) | Brittle |
| (c) | Non-Metals | (iii) | Lustrous |
| (d) | Noble Gases | (iv) | Smallest unit of Compound |
उत्तर
| Column A | Column B | ||
| (a) | Metals | (iii) | Lustrous |
| (b) | Molecules | (iv) | Smallest unit of Compound |
| (c) | Non-Metals | (ii) | Brittle |
| (d) | Noble Gases | (i) | Non-Reactive |
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संबंधित प्रश्न
Fill in the blank
Use of a ................. to separate the components of a mixture of solids is based on the difference in the size of the components
What are the different types of mixtures ?
Give one example for the following types of mixtures :
misicible liquids
Fill in the blank
_________ refers to the number of atoms in the molecule of an element
Explain the difference between Metals and non-metals.
Select the correct answer to the statement given below:
A compound containing carbon, oxygen and calcium.
Select the correct answer from the choice in the bracket.
The positively charged particle of an atom.
Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are coloured.
Name a non-metal other than carbon that shows allotropy.
Complete the table:
| Element | Latin Name | Symbol |
| Mercury | ______ | Hg |
| Lead | Plumbum | ______ |
| Iron | ______ | Fe |
| Potassium | Kalium | ______ |
Name the element which is used in toothpaste to strengthen our teeth.
