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प्रश्न
Name the technique that you use if only the solid component of a solution is required.
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उत्तर
Evaporation.
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संबंधित प्रश्न
Define mixture.
Tick the most appropriate answer.
The constituents of a mixture are present in
- a fixed ratio
- a variable ratio,
- the ratio of 2: 1
- none of these
Differentiate between:
Homogenous and heterogenous substances
Name: a Metal Which is brittle
Name: a Liquid Non-metal
Define a pure substance. How many types of pure substances do you know?
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Give two examples of the following.
Elements which are liquids
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When iron is mixed with sulphur at room temperature, it does not form a compound. Why?
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Calcium Chloride
Find the atomicity of the Following molecule:
Aluminium Suiphide
Tick (√) the correct alternative from the choice given for the following statement.
Atoms of different kinds combine to form molecules of
Tick (√) the correct alternative from the choice given for the following statement
The most ductile metal.
Classify substances into pure and impure substances in the form of a chart or tabulation.
Give the name of the radical - CO3
Elements : Combine to form compounds :: Compounds : ______.
Name the constituents of water.
Name the two elements which are derived from the country.
