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प्रश्न
Tick (√) the correct alternative from the choice given for the following statement
The hardest naturally occurring substance
विकल्प
Oxygen
Diamond
Zinc
Graphite
Gold
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उत्तर
Diamond
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संबंधित प्रश्न
Is food that we eat a mixture ?
Give one example for the following types of mixtures :
misicible liquids
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Give one use of the following substance:
Brass
Fill in the blank
A metal which is a poor conductor of electricity is _______.
Give three differences between elements & compounds with relevant examples.
Elements are the______ form of pure substances.
State true of false. If false, give the correct statement.
Two different elements may have similar atoms.
Differentiate between elements and compounds.
Complete the table by writing the symbols of the following elements
| Element | Symbol |
| Aluminum | Al |
| Nickel | |
| Bromine | |
| Helium | |
| Magnesium |
