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प्रश्न
Name four substances that can be used as filters.
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उत्तर
(i) Filter paper
(ii) A bead of sand
(iii) Charcoal
(iv) A piece of muslin cloth.
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संबंधित प्रश्न
A mixture of sulphur and carbon disulphide is :
Three mixtures A, B and C are obtained by stirring three different solids in water taken in separate beakers. When mixture A is allowed to stand for some time, then its particles settle at the bottom of the beaker. When a beam of light is passed through mixture A in a dark room, the path of light becomes visible when observed from the side of the beaker. When mixture B is allowed to stand for a considerable time, even then its particles do not settle down. Mixture B, however, scatters the beam of light just like mixture A. The particles of mixture C do not settle down on keeping and it also does not scatter a beam of light passing through it.
What are the mixtures like A known as ?
What are the mixtures like B known as ?
What are the mixtures like C known as ?
Name the phenomenon exhibited by A and B which occurs on passing a beam of light through them.
Name one mixture each which is like (i) A (ii) B, and (iii) C.
Name the property of any one of the components which can be used for separating the following mixture :
Salt and Camphor
Name the components present in the following mixture:
Brass
Tick (√) the correct alternative from the choice given for the following statement:
A set of the mixture is
Differentiate between homogeneous and heterogeneous mixtures with suitable examples.
State the technique involved in separating the following:
Iodine crystals and potassium chloride
A few drops of ‘Dettol’ when added to water the mixture turns turbid. Why?
When elements are physically mixed they form ______.
Write scientific reason.
Lemon sherbet has a sweet, sour and salty taste, and it can be poured into a glass.
