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प्रश्न
Give two examples of the following.
Non-metals which are solids
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उत्तर
Phosphorus, Sulphur
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संबंधित प्रश्न
Define: Compounds
Give two examples of the following.
Inert gases
Answer the following question:
What do you understand by the statement: ‘metals are ductile and malleable’?
Tick (√) the correct alternative from the choice given for the following statement.
Gold is used to make jewellery because
Tick (√) the correct alternative from the choice given for the following statement.
Brass and bronze are
Write the names of elements from the following symbol:
Xe
Write the names of elements from the following symbol:
Ir
Select the correct answer to the statement given below:
A metalloid
Represent with the help of a simple chart how matter is classified into pure or impure substances & further into elements, compounds & mixtures, with elements further segmented.
Match the following.
| 1. | Element | Made up of molecules |
| 2. | Compound | Impure substance |
| 3. | Colloid | Settles down on standing |
| 4. | Suspension | Pure substance |
| 5. | Mixture | Made up of atoms |
