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प्रश्न
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.
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उत्तर
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संबंधित प्रश्न
Give Two Examples for Each of the Following: Inert Gases
Differentiate between:
Homogenous and heterogenous substances
Name: Two substances used to make electric wires
Give reason: Graphite is used to make a lead of the pencils.
Find the atomicity of the Following molecule:
Calcium Chloride
Tick (√) the correct alternative from the choice given for the following statement.
Gold is used to make jewellery because
‘An atom is the basic unit of an element’. Draw a diagram of an atom – divisible as seen today.
State why brass is considered as a homogenous mixture while a mixture of iron & sulphur – heterogenous.
Differentiate between elements and compounds.
Complete the table by writing the symbols of the following elements
| Element | Symbol |
| Aluminum | Al |
| Nickel | |
| Bromine | |
| Helium | |
| Magnesium |
