One of the following does not undergo sublimation. This one is :(a) iodine (b) sodium chloride(c) ammonium chloride (d) camphor

Academic Chemistry NCERT Class 9

Correct Answer: (b) sodium chloride

Explanation: Sodium chloride does not undergo sublimation. On heating, It changes from solid to liquid.

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Updated on: 10-Oct-2022

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One of the following does not undergo sublimation. This one is :(a) camphor (b) dry ice (c) silica (d) iodine
Name one property which is shown by ammonium chloride but not by sodium chloride.
(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.
Name the process you would use to separate ammonium chloride from a mixture of sodium chloride and ammonium chloride.
Which of the following mixture can be separated completely by the process of sublimation ?(1) fine sand and cane sugar(2) sodium chloride and potassium permanganate(3) potassium chloride and ammonium chloride(4) barium chloride and sodium sulphate
With the help of a labelled diagram, describe the method of separating ammonium chloride from a mixture of ammonium chloride and common salt. Mention the difference in the properties of ammonium chloride and sodium chloride which has made this separation possible.
The aqueous solution of one of the following salt will turn red litmus to blue. This salt is:(a) Potassium sulphate (b) Sodium sulphate (c) Sodium chloride (d) Potassium carbonate
Which of the following compounds are ionic and which are covalent?Urea, Cane sugar, Hydrogen chloride, Sodium chloride, Ammonium chloride, Carbon tetrachloride, Ammonia, alcohol, Magnesium chloride.
One of the following is not a consumer. This one is :(a) giraffe (b) antelope (c) algae (d) alligator
One of the following is not a vector quantity. This one is:(a) displacement(b) speed(c) acceleration(d) velocity
One of the following does not show Tyndall effect. This one is :(a) soap solution (b) ink(c) sugar solution (d) starch solution
One of the following is not a biodegradable material. This one is :(a) cotton (b) animal bones (c) aluminium foil (d) wood
One of the following organisms does not reproduce by binary fission. This is:(a) Amoeba (b) Plasmodium (c) Leishmania (d)Paramecium
One of the following does not have a nucleus. This one is:(a) red blood cell (b) white blood cell (c) guard cell (d) epidermal cell
Suggest separation technique(s) one would need to employ to separate the following mixtures.(a) Mercury and water(b) Potassium chloride and ammonium chloride(c) Common salt, water and sand(d) Kerosene oil, water and salt

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