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Is Matter Around Us Pure
Which characteristic of the sound helps you to identify your friend by his voice while sitting with others in a dark room?
The characteristic of the sound that will help us to identify our friend's voice is timbre. The quality or timber of sound is that characteristic which enables us to distinguish one sound from another having the same pitch and loudness.
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The quality or timber of sound is the characteristic which helps us to identify our friend’s voice.
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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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