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प्रश्न
Fill in the blank :
The state of matter with definite volume and definite shape is called______
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उत्तर
The state of matter with definite volume and definite shape is called solid.
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संबंधित प्रश्न
Intermolecular force of attraction is maximum in ............ less in .......... and the least in .............
Differentiate between an atom and a molecule.
Write true or false for each statement. Rewrite the false statement correctly.
Matter cannot exist in different states.
Which type of elements, metals or non-metals, show the property of brittleness ?
What are pure substances ? Give two examples of pure substances.
Name a non-metal :
- which is lustrous
- which is required for combustion
- whose one of the allotrophic forms is a good conductor of electricity. Name the allotrope.
- other than carbon which shows allotropy
- which is known to form the largest number of compounds
Iron powder and sulphur powder were mixed together and divided into two parts A and B. When part A was heated strongly over a burner, then a substance C was formed. The part B was, however, not heated at all. When dilute hydrochloric acid was added to substance C, then gas D was evolved and when dilute hydrochloric acid was added to part B then gas E was evolved.
- What type of substance is B ?
- What type of substance is C ?
- Name the gas (i) D, and (ii) E ?
- State one characteristic property of gas D.
- Write one test to identify gas E.
Out of a colloid, solution and a suspension :
which one has the largest particles ?
You have been given a suspension and a solution. How could you tell the difference between them by their appearance ?
Name the process which is used in milk dairies to separate cream from milk.
Name the process by which common salt is purified.
The material which is added to water during purification process at the water works so as to disinfect it is :
Explain the meaning of the term matter with special reference to the term ‘substance’.
Define the term matter.
______ is a smallest particle.
You want to wear your favourite shirt to a party, but the problem is that it is still wet after a wash. What steps would you take to dry it faster?
Atoms or groups of atoms having a charge are called ______.
______ is so hard that it can scratch glass.
Higher the temperature, the higher the kinetic energy of particles.
