Name any two solid substances whose mixture can be separated by sublimation.

Academic Chemistry NCERT Class 9

A mixture of camphor and common salt can be separated by sublimation.

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Updated on: 10-Oct-2022

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Name one pair of substances whose mixture can be separated by fractional distillation.
Name one pair of substances whose mixture can be separated completely by distillation
Name any three substances that show sublimation.
Name any two substances that can be used as indicators.
A mixture of milk and groundnut oil can be separated by :(a) sublimation (b) evaporation(c) separating funnel (d) filtration
Can two liquids can be separated through any process of separation?
State whether the following statements are true or false.(a) A mixture of oil and water can be separated by filtration.(b) Water can be separated from salt by evaporation.(c) A mixture of wheat grains and wheat flour can be separated by sieving.(d) A mixture of iron filings and rice flour can be separated by magnet.(e) A mixture of wheat grains and rice flakes can be separated by winnowing.(f) A mixture of tea leaves and milk can be separated by decantation.
Naphthalene can be separated from sand :(a) by sublimation (b) by distillation(c) by crystallisation (d) by using water as solvent
Name any two defects of vision which can be corrected by using spectacles.
True or false?(a) A mixture of milk and water can be separated by filtration.(b) A mixture of powdered salt and sugar can be separated by the process of winnowing.(c) Separation of sugar from tea can be done with filtration.(d) Grain and husk can be separated through the process of decantation.
Fill in the following blanks with suitable words :(a) Miscible liquids are separated by .........................(b) Immiscible liquids are separated by using a ........................(c) A mixture of kerosene and petrol can be separated by ........................(d) The separation of liquids by fractional distillation is based on the difference in their ............................(e) The gases of air can be separated by fractional distillation of liquid air because they have different ......................(f) A heterogeneous mixture of liquid and solid is conveniently separated by ............................(g) If a mixture contains iron filings as one of the constituents, it can be separated by using a .......................
Name one pair of liquids which can be separated by using a separating funnel.
Name the process by which the volume of solid wastes can be reduced.
(a) What is sublimation? Name two substances (other than ammonium chloride) which undergo sublimation.(b) Draw a labeled diagram of the experimental set-up to demonstrate the sublimation of ammonium chloride.
Can milk and water be separated by using the distillation method?

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