Chemistry
Give one word for the following:
(a) The solid which is left on the filter paper after filtration.
(b) The solid particles which separate out from the solution on slow evaporation.
(c) The solid particles that settle at the bottom of the beaker in a heterogeneous mixture of a solid and a liquid.
(d) The clear liquid which is poured out after sedimentation.
(e) The technique used to separate the light particles from heavy particles using the flow of wind.
Elements, Compounds & Mixtures
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Answer
(a) Residue
(b) Crystals
(c) Sediment
(d) Supernatant liquid
(e) Winnowing
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Related Questions
Write "true" or "false" for the following statements:
(a) A pure substance consists of only one kind of atom or molecule. ……………
(b) The components of a mixture are present in a fixed ratio. ……………
(c) Common salt is separated from its solution in water by decantation. ……………
(d) Winnowing is a process to remove small stones from grains. ……………
(e) Gold jewellery is a homogeneous mixture of metals. ……………
(f) Air can be separated from water by filtration. ……………
(g) Salt and air dissolved in water add taste to water. ……………
(h) Steel is an alloy of iron and aluminium. ……………
Match the following:
Column A Column B (a) Heterogeneous mixture (i) Homogeneous mixture (b) Evaporation (ii) Rice from husk (c) Sublimation (iii) Iron and sulphur (d) Compounds (iv) Sea Water (e) Winnowing (v) Ammonium chloride and salt Name the process by which the components of the following mixtures can be separated.
(a) Powdered glass and sugar
(b) Chalk powder and iron filings
(c) Chaff and grain
(d) Salt and water
(e) Wheat and sugar
(f) Sand and camphor
(g) Sugar and water
Rearrange the following to get meaningful words:
(all are methods to separate the components of mixtures).
(a) OIRATVOPEAN
(b) DNOITITLLIAS
(c) FTOLINTRAI
(d) SINIVEG