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सी.आई.एस.सी.ई.आईसीएसई ICSE Class 7

Name the Terms for the Change of Vapour into a Liquid. - Chemistry

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प्रश्न

 Name the terms for the change of vapour into a liquid.

एक शब्द/वाक्यांश उत्तर
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उत्तर

Condensation .

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अध्याय 1: Matter and Its Composition - Exercise

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सेलिना Concise Chemistry [English] Class 7 ICSE
अध्याय 1 Matter and Its Composition
Exercise | Q 12.5

संबंधित प्रश्न

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


Solids have definite shape and definite volume. 


Fill in the blank :

The state of matter with definite volume and definite shape is called______


Write true or false for each statement. Rewrite the false statement correctly.

Matter cannot exist in different states.


Describe in your own words, what happens to the particles when salt dissolves in water.


State one property in which a solution of sugar in water resembles a mixture of sugar and sand, and one property in which it differs from it.


Which of the following statements are true for pure substances ?

  1. pure substances contain only one kind of particles
  2. pure substances may be compounds or mixtures
  3. pure substances have the same composition throughout
  4. pure substances can be exemplified by all elements other than nickel

What is the concentration of a solution which contains 16 g of urea in 120 g of solution ?


Choose one term from the following which includes the other three :

aerosol, emulsion, colloid, sol


Which of the following do not exhibit Tyndall effect ?

Starch solution, Sugar solution, Ink, Salt solution, Copper sulphate solution, Ammonium chloride solution, Fog, Smoke, Car exhausts.


What is a colloid ? Give two examples of colloids (or colloidal solutions)


Name the property of one of the constituents which can be used to separate a mixture of salt and iodine


Fill in the following blanks with suitable words :

A mixture of kerosene and petrol can be separated by .....................


How will you separate a mixture of iron filings, chalk powder and common salt ?


The technique which is used to separate particles of a solid suspended in a liquid quickly is called :


Stars including Sun are covered in ______.


Which statement is not correct for a mixture 


Atoms are tiny particles that repel each other when they are squeezed very close.


Give an example of liquid in gas.


Define the term matter.


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