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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

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

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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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पाठ 1: Matter and Its Composition - Exercise

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एस.पी. सिंह Concise Chemistry [English] Class 7 ICSE
पाठ 1 Matter and Its Composition
Exercise | Q 12.5

संबंधित प्रश्‍न

Name the terms for the particles of matter which may or may not have independent existence.


Name two processes which provide the best evidence for the motion of particles in matter.


Name one solid, one liquid and one gaseous non-metal.


Name one element, one compound and one mixture.


Classify the following into metals, non-metals and metalloids:
Silicon, Mercury, Diamond, Sulphur, Iodine, Germanium, Sodium, Carbon, Magnesium, Copper, Boron, Helium


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


Out of a colloid, solution and a suspension :

which one has the smallest particles ?


Which of the following is a sol ?

Shaving cream, Milk, Fog, Soap solution, Hairspray


What is meant by the concentration of a solution ?


Name the process which can be used to purify an impure sample of copper sulphate.


Which technique is used in a washing machine to squeeze out water from wet clothes while drying ?


Fill in the following blanks with suitable words :

 If a mixture contains iron filings as one of the constituents, it can be separated by using a .......................


How would you obtain sodium chloride from a mixture of sodium chloride and sulphur without using water ?


Describe the various steps involved in the separation of iodine, iron filings and salt from a mixture.


Explain the meaning of the term ‘matter’.


Which among the following ______ will get attracted to by magnet?


Stars including Sun are covered in ______.


The non S I and S I units of some physical  quantities are given in column A and column B respectively. Match the units belonging to the same physical quantity: 

(A) (B)
(a) degree celsius (i) kilogram
(b) centimetre (ii) pascal
(c) gram per centimetre cube (iii) metre
(d)  bar (iv) kelvin
(e) milligram (v)  kilogram per metre cube

Celsius scale is a scale of temperature in which zero represents the melting point of ice and 100 represents the boiling point of water.


Higher the temperature, the higher the kinetic energy of particles.


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