English

Comment upon the following:- filling a gas container - Science

Advertisements
Advertisements

Question

Comment upon the following:-

filling a gas container

Short/Brief Note
Advertisements

Solution

By filling a gas container we mean the attainment of the shape of the container by gas.

shaalaa.com
  Is there an error in this question or solution?
Chapter 1: Matter in Our Surroundings - Intext Questions [Page 6]

APPEARS IN

NCERT Science [English] Class 9
Chapter 1 Matter in Our Surroundings
Intext Questions | Q 2. (b) | Page 6

RELATED QUESTIONS

Write the full forms of the following

  1. LPG
  2. CNG

Explain why, when a bottle of perfume is opened in a room, we can smell it even from a considerable distance.


Name two gases of air which dissolve in water by diffusion. What is the importance of this process in nature?


When a gas jar full of air is placed upside down on a gas jar full of bromine  vapours, the red-brown vapours of bromine from the lower jar go upward into the jar containing air. In this experiment :


Look at the diagram on the right side. Jar A contains a red-brown gas whereas jar B contains a colourless gas. The two gas jars are separated by a galas plate placed between them

  1. What will happen when the glass plate between the two jars is pulled away?
  2. What name is given to the phenomenon which takes place?
  3. Name the brown gas which could be in jar A.
  4. Which is the colourless gas most likely to be present in jar B?
  5. Name one coloured solid and one colourless liquid which can show the same phenomenon.


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.

  1. Name the substances (i) X (ii) Y and (iii) Z.
  2.  What is the process of conversion of X into Y known as ?
  3. At which temperature X gets converted into Y ?
  4. What is the process of conversion of X into Z known as ?
  5. At which temperature X gets converted into Z ?

______ is not affected by gravity.


Comment upon the following:-

density


Which of the following is TRUE about gaseous state?


2 litre He gas at 2 atm and 300 K is inserted into a 4 litre rigid container containing N2 at 600 K and 4 atm. Finally mixture is maintained at 600 K temperature. The final pressure of gaseous mixture would be ______ torr.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×