English

You Are Given a Mixture of Iodine in Alcohol Called Tincture Iodine. Which Method Will You Use to Recover - Science

Advertisements
Advertisements

Question

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 ?

Options

  • evaporation

  • simple distillation

  • fractional distillation

  • crystallisation

MCQ

Solution

simple distillation

In the mixture of iodine and alcohol, both are miscible. So, distillation process is used to recover both the components.

shaalaa.com
  Is there an error in this question or solution?
Chapter 2: Is Matter Around Us Pure - Very Short Answers [Page 107]

APPEARS IN

Lakhmir Singh Chemistry [English] Class 9
Chapter 2 Is Matter Around Us Pure
Very Short Answers | Q 82 | Page 107

RELATED QUESTIONS

The inter-molecular space is maximum in


What are the conditions for 'something' to be called 'matter'?


In a beam of sunlight entering a room, we can sometimes see dust particles moving in a haphazard way in the air. Why do these dust particles move?


An inflated balloon full of air goes down slowly (becomes smaller and smaller slowly) even though the knot at the mouth of the balloon is airtight. And after a week all the air has escaped from the balloon. Explain how the air particles got out of the balloon.


Name a non-metal which is a good conductor of electricity.


What elements do the following compounds contain ?

Sugar, Common salt


Which one of the following is not a metalloid ?


Which of the following does not have a fixed melting point/boiling point ?


If 25 mL of acetone is present in 150 mL of its aqueous solution, calculate the concentration of solution.


State whether the following statement is true or false :

Sponge is an example of solid sol.


How would you prepare a saturated solution of sodium chloride in water at 25°C ? What will happen if this  solution is cooled to 10°C ?


Name the process which can be used to recover salt from an aqueous salt solution.


Describe the method of separating a mixture containing common salt, sand and ammonium chloride.


The liquid air has three components X, Y and Z whose boiling points are : –186°C, –183°C and –196°C,
respectively. When liquid air is fed into a tall fractional distillation column from near its bottom and warmed
up slowly :

(a) Which component will be collected from near the bottom of the fraction distillation column ? Why ?

(b) Which component will be collected from the top part of the fractional distillation column ? Why ?

(c) Which component will be collected from the middle part of the fractional distillation column ? Why ?

(d) What could the component X, Y and Z be ?


There are three liquids A, B and C, all having different densities and different boiling points. Liquids A and C are organic in nature whereas liquid B is considered to be inorganic. When liquids A and B are put together in a container, they form a single layer. On the other hand, when, liquids B and C are mixed, they form two separate layers :

(a) Which process will you use to separate a mixture of A and B ?

(b) Which method will you use to separate a mixture of B and C ?

(c) Name the liquids which would behave like (i) A (ii) B and (iii) C.


Matter is made up of ______.


A standard sheet of paper is about ______ of atoms thick


Which of the following are homogeneous in nature?

(i) ice

(ii) wood

(iii) soil

(iv) air


______ is so hard that it can scratch glass.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×