English

Name the Processes Involved in Two Cases.

Advertisements
Advertisements

Question

Name the processes involved in two cases.

Advertisements

Solution

The process involved in two’cases is vaporization or boiling.

shaalaa.com
  Is there an error in this question or solution?
Chapter 1: Matter - Short/Long Answer Questions [Page 17]

APPEARS IN

S.S. Shome Concise Physics [English] Class 8 ICSE
Chapter 1 Matter
Short/Long Answer Questions | Q 13.3 | Page 17

RELATED QUESTIONS

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


When a crystal of potassium permanganate is placed at the bottom of water in a beaker, the water in the whole beaker turns purple on its own, even without stirring. This is an example of :


Classify the following as elements or compounds :
Iron, Iron sulphide, Sulphur, Chalk, Washing soda, Sodium, Carbon, Urea


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


How can you obtain pure water from a salt-water mixture (or salt-solution) ? Draw a neat and labelled diagram of the apparatus you would use to obtain pure water from a salt-water mixture (or salt-solution).


Which one of the following scrap metal cannot be separated by magnetic separation ?


The liquid air has three components X, Y and Z whose boiling points are : –186°C, –183°C and –196°C,
respectively. When liquid air is fed into a tall fractional distillation column from near its bottom and warmed
up slowly :

(a) Which component will be collected from near the bottom of the fraction distillation column ? Why ?

(b) Which component will be collected from the top part of the fractional distillation column ? Why ?

(c) Which component will be collected from the middle part of the fractional distillation column ? Why ?

(d) What could the component X, Y and Z be ?


The given mixture contains three constituents A, B and C. The constituent A is a yellow coloured, solid element which dissolves in a liquid D. The constituent B is a blue coloured salt which is insoluble in liquid D but dissolves easily in another liquid E. The constitudent C is a liquid which is used in cooking food and forms a solid fat on hydrogenation.

(a) What do you think could (i) constituent A, and (ii) liquid D be ?

(b) What could (i) constituent B, and (ii) liquid E be ?

(c) What could liquid C be ?

(d) How will you separate the mixture containing A, B and C ?


Wipe the board with a duster and then tap the duster against the table. What do you see?


Define the term matter.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×