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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.
उत्तर
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संबंधित प्रश्न
Fill in the blank
Use of a ................. to separate the components of a mixture of solids is based on the difference in the size of the components
Give two examples of Metalloids.
Give one use of the following substance:
Brass
Fill in the blank
A liquid non-metal is _______.
Tick (√) the correct alternative from the choice given for the following statement.
Sand is a compound of
Tick (√) the correct alternative from the choice given for the following statement
The hardest naturally occurring substance
Select the correct answer from the choice in the bracket.
The least reactive metal.
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 diatomic molecule.
Differentiate between elements and compounds.
