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Is Matter Around Us Pure
Write characteristics of compounds.
Characteristics of compounds:
(ii) Compounds are the substances formed by chemical combination of two or more elements.
(ii) The constituent elements are present in a fixed ratio. For example water is compound and compose in 1:2 such that 1 part of oxygen and 2 part of hydrogen.
(iii) A chemical reaction takes place during the formation of a compound.
(iv) Properties of a compound are different to those of its elements.
(v) Constituent elements cannot be separated by physical processes.
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Which separation techniques will you apply for the separation of the following?
Sodium chloride from its solution in water.
Which separation techniques will you apply for the separation of the following?
Ammonium chloride from a mixture containing sodium chloride and ammonium chloride.
Which separation techniques will you apply for the separation of the following?
Small pieces of metal in the engine oil of a car.
Which separation techniques will you apply for the separation of the following?
Different pigments from an extract of flower petals.
Which separation techniques will you apply for the separation of the following?
Butter from curd.
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