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A substance has neither a definite shape...

A substance has neither a definite shape nor a definite volume . Name the physical state of the substance .

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Gaseous
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A substance has a definite composition.

Why do gases have neither a fixed shape nor a fixed volume ?

A substance has a definite shape and volume . What is it called?

The substance X normally exists in a physical state which can flow easily but does not fill its vessel completely. It also turns anhydrous copper sulphate blue. When substance X is cooled excessively, it changes into a substance Y which has a fixed shape as well as a fixed volume. If, however, the substance X is heated strongly, it changes into a substance Z which has neither a fixed shape nor a fixed volume. (a) Name the substances X. (b) What is the process of conversion of X into Y known as ? (c ) At which temperature X gets converted into Y ? (d) What is the process of conversion of X into Z known as ? (e ) At which temperture X gets converted into Z ?

A substance has neither a fixed shape nor a fixed volume. State whether it is a solid, a liquid or a gas

The substance X normally exists in a physical state which can flow easily but does not fill its vessel completely. It also turns anhydrous copper sulphate blue. When substance X is cooled excessively, it changes into a substance Y which has a fixed shape as well as a fixed volume. If, however, the substance X is heated strongly, it changes into a substance Z which has neither a fixed shape nor a fixed volume. (a) Name the substances (i) X (ii) Y and (iii) Z. (b) What is the process of conversion of X into Y known as ? (c ) At which temperature X gets converted into Y ? (d) What is the process of conversion of X into Z known as ? (e) At which temperature X gets converted into Z ?

Define gaseous state of a substance.

BHARATI BHAWAN (ENGLISH)-MATTER IN OUR SURROUNDINGS -B. Very Short Answer Questions
  1. A substance is incompressible even when it is subjected to very high ...

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  2. A substance has neither a definite shape nor a definite volume . Name ...

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  3. Name the process the occurs when a pallet of comphor left exposed to a...

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  4. A drop of water when spilled on floor spreads out . What is this due t...

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  5. A liquid is converted into vapour below its boiling point . What is th...

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  6. What is the space between the particles of a matter called ?

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  7. The temperature of a liquid at its boiling point does not change. Wha...

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  8. Identify the physical state of matter in which layers of particles sl...

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  9. Two solids A and B melt at 120^@C and 150^@C respectively . Which on...

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  10. The temperature of sample of water is found to be 314K . What is the t...

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  11. Look at the following figures , A and B. What do you expect t...

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  12. The rate of evaporation of a liquid decreases on a rainy day . Give r...

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  13. Name the property which is shown by ammonium chloride but not by shodi...

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  14. Name the process that occurs when oxygen dissolves in water.

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  15. What is the process called in which a gas is transformed into a liquid...

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  16. Name the term used to denote the conversion of vapour into solid .

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  17. Is it correct to say that that the melting point of a solid and the...

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  18. Can we call the vapour of an alcohol a gas ?

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  19. Does the evaporation of a liquid occur at the room temperature only ?

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