Monday, 8 August 2016

MATTER IN OUR SURROUNDINGS [IX] 2

               YASH  CLASSES
       
     b.  MATTER    IN   OUR   SURROUNDINGS [IX]

1.  One word –
 1. solid change  to  liquid state ….

 2.  00 C  in Kelvin …..

 3. when vapours is cooling …..

 4. charged  particle  states is …

 5. At  00 C when ice on heating changes into
     water , temperature remains constant ….
    
 6. gas turn in solid …..
 7. the process when different substance mix as a
    result  of random  motion of their molecule ….

 8.What  is plasma ? What  is  the  difference
    between  a  gas  and  plasma ?

 9. Difference  between  the properties  of
      solids  ,  liquids  and  gases  .

 10. What is matter ?state the factors on which
       three  states of matter depend .

 11. Why  do solid and liquids have an open
       surface while  gases do not ?

 12. What is law of constant proportion ? ex.

 13. How  can you distinguish  between mixture
       and  a compound ?

14. Why water  is compound and not a mixture ?