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प्रश्न
Select the correct answer from A, B, C, D & E for the statement given below :
A metalloid.
विकल्प
Gunpowder
Iodine
Boron
Helium
Bromine
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उत्तर
A metalloid: Boron
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संबंधित प्रश्न
What is the difference between a pure substance and a mixture ?
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| 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 |
