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(b) Why au u (c) Name two gases in air which diSSUIVI importance of this phenomenon in nature? etone is present in 45ml of its aqueous solution. Calculate the (3) concentration of the solution. (i) Tincture of iodine is a mixture of two materials X and Y. The material Y has a property that its solid form can be converted directly into vapours on heating by a process called Z. (a) What could X be? (b) What could Y be? (c) Name the process Z. (d) Which process would you use to recover both the components X and Y from tincture of iodine?

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Q1
Tincture of iodine is a mixture of two materials X and Y. The material Y has a property that its solid form can be converted directly into vapours on heating by a process called Z.

(a) What could X be ?
(b) What could Y be ?
(c) Name the process Z.
(d) Which process would you use to recover both the components X and Y from tincture of iodine ?
(e) Which process can be used to recover only components Y from tincture of iodine ?
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Q2

Tincture of iodine is a mixture of two materials X and Y. The material Y has a property that its solid form can be converted directly into vapours on heating by a process called Z.

(a) What could X be ?

(b) What could Y be ?

(c) Name the process Z.

(d) Which process would you use to recover both the components X and Y from tincture of iodine ?

(e) Which process can be used to recover only component Y from tincture of iodine ?

View Solution
Q3
Tincture of iodine is a mixture of two materials X and Y. The material Y has a property that its solid form can be converted directly into vapours on heating by a process called Z.
(a) What could X be?
(b) What could Y be?
​(c) Name the process Z.
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Q4

Tincture of iodine is a mixture of two materials iodine and alcohol. One of the material has a property that its solid form can be converted directly into vapours on heating by a process called X. Identify the material that sublimes and process X?


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Q5
You are given a mixture of iodine in alcohol called tincture iodine. Which method will you use to recover both, iodine as well as alcohol, from this mixture ?
(a) evaporation
(b) simple distillation
(c) fractional distillation
(d) crystallisation
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