English

A substance which can change its state - Chemistry

Advertisements
Advertisements

Question

A substance which can change its state

Options

  • wood

  • oxygen

  • paper

  • cloth

MCQ

Solution

oxygen

shaalaa.com
  Is there an error in this question or solution?
Chapter 3: Matter - Multiple Choice Questions

APPEARS IN

Selina Concise Chemistry [English] Class 6 ICSE
Chapter 3 Matter
Multiple Choice Questions | Q 6

RELATED QUESTIONS

Convert the following temperature to the Kelvin scale.

373°C


Give an example of desirable change which can also be undesirable.


Name the temperature at which :

  1. a liquid changes into a gas. 
  2. a solid changes into a liquid.

How is ammonia gas liquefied ?


Which of the following process/processes release heat ?

  1. condensation
  2. vaporisation
  3. freezing
  4. melting

When water is heated to a temperature x, it gets converted into steam at temperature x by a process called R. And when steam at temperature x is cooled, it gets reconverted into water at the same temperature x by a process called S.

  1. How much is the value of x in Kelvin ?
  2. What is the process R called ?
  3. What is the name of the energy absorbed during the process R ?
  4. What is process S known as ?
  5. What is the name of energy released during the process S known as ?\\

Name the phenomenon which causes the following changes:

Disappearance of camphor when exposed to air


Photosynthesis is a natural process by which green plants manufacture food in the presence of sunlight.

Can the change be reversed or is it irreversible?


Give the reason for the following 

On heating a sublimable solid, the molecules break free & escape from the surface of the solid directly into vapour.


Complete the blank with reference to interconversion of matter on the basis of kinetic theory-with the word ‘increase’, ‘decreases’, ‘gain’, ‘lose’, or ‘overcome’ in following case.

During the melting of solids, the inter-particles space __________.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×