मराठी

How Would You Separate Iodine from a Mixture of Iodine and Common Salt ?

Advertisements
Advertisements

प्रश्न

How would you separate iodine from a mixture of iodine and common salt ?

टीपा लिहा
Advertisements

उत्तर

We would separate iodine from a mixture of iodine and common salt by the process of sublimation. In the process, iodine sublimes on heating, whereas salt does not. Salt has a melting point higher than that of iodine. Therefore, a mixture of iodine and sodium chloride can be separated by using a sublimation apparatus, where solid iodine is collected by condensation of the mixture.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 2: Is Matter Around Us Pure - Very Short Answers [पृष्ठ १०६]

APPEARS IN

लखमीर सिंह Chemistry Part 2 [English] Class 9
पाठ 2 Is Matter Around Us Pure
Very Short Answers | Q 40 | पृष्ठ १०६

व्हिडिओ ट्यूटोरियलVIEW ALL [3]

संबंधित प्रश्‍न

Define the term matter. What is it composed of?


What are the two conditions for the interconversion of states of matter ?


State two characteristics of matter demonstrated by Brownian motion.


Fill in the following blanks with suitable words :

Brass is an alloy which is considered a ..............


Name two solid, two liquid and two gaseous elements at the room temperature.


Which of the following are not compounds ?

Chlorine gas, Potassium chloride, Iron powder, Iron sulphide, Aluminium foil, Iodine vapour, Graphite, Carbon monoxide, Sulphur powder, Diamond


Iron powder and sulphur powder were mixed together and divided into two parts A and B. When part A was heated strongly over a burner, then a substance C was formed. The part B was, however, not heated at all. When dilute hydrochloric acid was added to substance C, then gas D was evolved and when dilute hydrochloric acid was added to part B then gas E was evolved.

  1. What type of substance is B ?
  2. What type of substance is C ?
  3. Name the gas (i) D, and (ii) E ?
  4. State one characteristic property of gas D.
  5. Write one test to identify gas E.

What is the name of the clear liquid formed when a solid dissolves in a liquid ?


A solution contains 5.6 mL of alcohol mixed with 75 mL of water. Calculate the concentration of this solution.


In what respects does a true solution differ from a colloidal solution ?


State whether the following statement are true or false :

Alcohol can be separated from a mixture of alcohol and water by a separating funnel.


Describe a method to separate a mixture of common salt and sand.


Which of the following mixture cannot be separated by using water as the solvent ?


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 ?


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.


Stars including Sun are covered in ______.


Which of the following statements are true for pure substances?

(i) Pure substances contain only one kind of particles

(ii) Pure substances may be compounds or mixtures

(iii) Pure substances have the same composition throughout

(iv) Pure substances can be exemplified by all elements other than nickel


Give some examples of the Tyndall effect observed in your surroundings?


Complete the following table:

S.No. CELSIUS KELVIN
1. 90°C 363 K
2. ______ 283 K
3. 63 °C ______
4. 250°C ______
5. ______ 303 K

Which statement is not correct for a mixture 


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×