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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 one example for the following types of mixtures :
misicible liquids
Why is it necessary to separate the constituents of a mixture.
Write the Chemical Name of the Following and Also Give Their Molecular Formulae:
Vinegar
Give two examples of the following.
Inert gases
Tick (√) the correct alternative from the choice given for the following statement.
All pure substances have
Tick (√) the correct alternative from the choice given for the following statement.
Sugar is a compound which consists of the elements
Give the name of the radical - CO3
Differentiate between homogenous & heterogeneous mixtures.
______ is the life-giving element is the air.
Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are coloured.
Name a non-metal which is required for combustion.
