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प्रश्न
Choose the most appropriate answer
Which of the following property is not shown by compounds?
पर्याय
They are heterogeneous.
They are homogeneous
They have definite molecular formulae.
They have fixed melting and boiling points
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उत्तर
They are heterogeneous.
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संबंधित प्रश्न
Write true or false
Milk is an emulsion.
Write true or false
The constituents of a mixture can only be separated by chemical means
Suggest a suitable technique to separate the constituents of the following mixtures. Also give the reason for selecting the particular method :
Iron from sulphur
Name the following:
The compound containing one atom of sulphur and two atoms of oxygen.
State any one method – to separate the following mixtures – A solid-liquid mixture containing – a soluble solids in the liquid component
State any one method – to separate the following mixtures – A mixture of different solid constituents – in a liquid constituent.
Explain with diagram the process used to – separate the following substance from the given mixtures - Iron from a mixture of – iron & copper
Give a reason for the following statement :
Components in a mixture can be separated by physical methods only.
How will you separate sand and water from their mixture?
How would you obtain clear water from a sample of muddy water?
