मराठी

Draw a Labelled Diagram of the Fractional Distillation Apparatus Used for Separating a Mixture of Alcohol and - Science

Advertisements
Advertisements

प्रश्न

Draw a labelled diagram of the fractional distillation apparatus used for separating a mixture of alcohol and water.

टीपा लिहा
Advertisements

उत्तर

Figure 81. Separation of a mixture of two miscible liquids (here alcohol and water) by fractional distillation.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 2: Is Matter Around Us Pure - Very Short Answers [पृष्ठ १०७]

APPEARS IN

लखमीर सिंह Chemistry [English] Class 9
पाठ 2 Is Matter Around Us Pure
Very Short Answers | Q 69.2 | पृष्ठ १०७

व्हिडिओ ट्यूटोरियलVIEW ALL [3]

संबंधित प्रश्‍न

Intermolecular force of attraction is maximum in ............ less in .......... and the least in .............


The inter-molecular space is maximum in


What are the characteristics of matter?


What is Brownian motion? Draw a diagram to show the movement of a particle (like a pollen grain during Brownian motion.


What is meant by saying that metals are malleable and ductile ?


What is meant by saying that metals are lustrous ?


Give reason why graphite is used for making elecrode in a dry cell.


Name a non-metal :

  1. which is lustrous
  2. which is required for combustion
  3. whose one of the allotrophic forms is a  good conductor of electricity. Name the allotrope.
  4. other than carbon which shows allotropy
  5. which is known to form the largest number of compounds

One of the following substances is neither a good conductor of electricity nor an insulator. This substance is :


Calculate the concentration of a solution which contains 2.5 g of salt dissolved in 50 g of water.


Define Foam Give one example.


What is the difference between colloids and suspensions ?


When the solid A is added to water, it dissolves with the evolution of a lot of heat and making little explosions to form two products B and C. The properties of products B and C are entirely different from those of solid A as well as water. Moreover, products B and C cannot be reconverted into solid A and water. When another solid D is added to water, it dissolves with the absorption of a little heat to form a product E which cools down. The product E shows the properties of both, solid D as well as water. Moreover, product E can be converted into solid D and water.

(a) What type of change occurs when solid A is dissolved in water ? Why ?

(b) What type of change occurs when solid D is dissolved in water ? Why ?

(c) Name a metal which you think could behave like solid A. Also name the products B and C.

(d) Name the solid D if it is the one which is used in making ordinary dry cells.

(e) Name the process by which D can be recovered from E.


Fill in the following blanks with suitable words :

Immiscible liquids are separated by using a .....................


How will you separate camphor, common salt and iron nails from their mixture ?


Which of the following cannot be separated from air by the process of fractional distillation ?


______ is not made of matter.


Justify your answer.

Figure 1 Figure 2 Figure 3

The arrangement of particles in three different phases of matter is shown above.

  1. Which state is represented by Fig. 1?
  2. In which state will the inter-particle attraction be maximum?
  3. Which one of them cannot be contained in an open vessel?
  4. Which one can take the shape of its container?

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


Define the term matter.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×