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प्रश्न
Name: A form of carbon used as a gem
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उत्तर
Diamond is used as a gem.
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संबंधित प्रश्न
Answer the following question:
When iron is mixed with sulphur at room temperature, it does not form a compound. Why?
Fill in the blank
A liquid non-metal is _______.
Indicate whether the following statement is true or false:
Metals can be polished.
Tick (√) the correct alternative from the choice given for the following statement.
The compound used as common salt is
State what are radicals. Give the names of the radicals –
(a) NO3
(b) OH
(c) SO4
(d) CO3
Write the names of elements from the following symbol:
Cu
State why brass is considered as a homogenous mixture while a mixture of iron & sulphur – heterogenous.
Select the correct answer from A, B, C, D & E for the statement given below :
A noble gas.
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 |
What is the Latin name of Sodium?
