हिंदी
सी.आई.एस.सी.ई.आईसीएसई 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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अध्याय 1: Matter and Its Composition - Additional questions

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सेलिना Concise Chemistry [English] Class 7 ICSE
अध्याय 1 Matter and Its Composition
Additional questions | Q 14

संबंधित प्रश्न

The smallest unit of matter that exists freely in nature is called ...........


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


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


Define the following term  of Matter .


In a beam of sunlight entering a room, we can sometimes see dust particles moving in a haphazard way in the air. Why do these dust particles move?


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.


State two physical properties on the basis of which metals can be distinguished from non-metals.


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


How much water should be added to 15 grams of salt to obtain 15 per cent salt solution ?


Fill in the following blank :

Milk is a .................... solution but vinegar is a .................... solution.


Differentiate between a saturated and an unsaturated solution. How will you test whether a given solution is saturated or not ?


State whether the following statement are true or false :

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


State whether the following statement are true or false :

Salt and water can be recovered from an aqueous salt solution by the process of evaporation.


Name the process which is used in milk dairies to separate cream from milk.


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


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


Describe a method to separate a mixture of camphor and sand.


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?

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