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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

What Are the Two Conditions for the Interconversion of States of Matter ?

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प्रश्न

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

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उत्तर

Two conditions are : change in

  1. Temperature
  2. Pressure
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पाठ 1: Matter and Its Composition - Additional questions

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एस.पी. सिंह Concise Chemistry [English] Class 7 ICSE
पाठ 1 Matter and Its Composition
Additional questions | Q 14

संबंधित प्रश्‍न

Define the term matter. What is it composed of?


Which one is a kind of matter:


Bromine and air take about 15 minutes to diffuse completely but bromine diffuses into a vacuum very rapidly. Why is this so?


Name a metal which is soft and a non-metal which is hard.


Explain why, hydrogen and oxygen are considered elements whereas water is not considered an element.


On the basis of composition of matter, milk is considered to be :


How will you differentiate between a suspension and a colloid ?


What type of magnet is fitted on a crane to separate scrap iron objects from a heap of waste materials in factories ?


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 :

A heterogeneous mixture of liquid and solid is conveniently separated by...............


With the help of a labelled diagram, describe the method of separating ammonium chloride from a mixture of ammonium chloride and common salt. Mention the difference in the properties of ammonium chloride and sodium chloride which has made this separation possible.


The boiling point of liquid argon is :


Differentiate between the-two characteristics of matter – ‘mass’ & ‘weight’.


A standard sheet of paper is about ______ of atoms thick


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


Intermolecular space is maximum in ______.


The pressure of gases does not depend on the temperature of the gas and the volume it occupies.


The phenomenon of Evaporation takes place at the ______ of a liquid.


Define the term matter.


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