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Is Matter Around Us Pure
Mention two points of distinction between elastic waves and electromagnetic waves.
Difference between elastic waves and electromagnetic waves are as follows:
i) Elastic waves require a medium for their propagation while electromagnetic waves do not require any medium for their propagation.
(ii) Elastic waves may be longitudinal or transverse while electromagnetic waves are only transverse in nature.
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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.
Write the steps you would use for making tea. Use the words—solution, solvent, solute, dissolve, soluble, insoluble, filtrate and residue.
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