SUMMATIVE ASSESMENT 1 CHEMISTRY (CLASS X ) QUESTIONS

IMPORTANT QUESTIONS FOR CHEMISTRY :-

(A) SHORT ANSWERS  (3 marks each)

1. Gases exerts pressure on the walls of container ? Give reason.
2. Define boiling and boiling point.How does normal boiling differ from boiling points?
3. Draw a temperature-time plot for ice = stream,transformation.
4. What is meant by the term relative humidity ?
5. What happens when a temperature of a saturated solution is increased slightly?Name the state of        saturation that is meta stable.
6. How can you differentiate between suspension and colloid? Give an example of each.
7.The solubility of potassium nitrate at 20degree celsius is 32 g/100g of water.How much salt is required to    prepare 66g of saturated solution?

 (B) LONG ANSWERS   (5 marks each)

1.  Why does temperature remains constant during melting and boiling?
2.  Compare the properties of a true solution,a suspension and a colloidal solution ?
3.  Describe various steps involved in purification of water for city water supply?


I HOPE MY FELLOW TEACHERS AND STUDENTS FOR WHOM THESE QUESTIONS HAVE BEEN FRAMED WILL FIND IT INTERESTING AND HELPFUL. 

ARTS-Not good enough to study science or commerce ;
         -One doesn't have time to study too hard ;
         -At least attention a degree ;  

Most students...... are never logical..

They choose a career steram because of traditionally well known occupations in their society.

 Such students do far less than their real potential....!
They face CAREER INDECISION !!!
 pre-mature fore-closure of career choices.
Inaccurate,Incomplete,Biased Knowledge and stereo-types.

HOW WOULD YOU MAKE THAT CHOICE ? 

SHOULDN'T YOU MAKE SURE ,IF YOUR STREAM IN CLASS XI MATCHES YOUR PERSONALITY ?

               YES !

You can easily choose
     a career stream, that will make your Education Journey..........

          PASSIONATE
                                 INTERESTING
                                                            SUCCESSFUL

Choosing a stream in CLASS XI  IS 100% SCIENTIFIC PROCESS.

               ONLY CHOOSE.........

what is "the best -fit" for YOU !

THINK.....THINK.....THINK.....

Take a logical decision
Begin with your career Assessment ;

Get professional,
                           psychology- based ,
                                                          CAREER GUIDANCE.

CAREER COUNSELLING AFTER X

Every child after class x passes through this thought................Which is the right career stream for me and why ?....MEDICAL.....NONMEDICAL...ARTS...or.....COMMERCE...

After class tenth ,How do students choose a career stream ?

Most students .......are never logical.....
They choose a career stream because their friends do it !

Most students .......are never logical.....
They choose a career stream because their parents aspirations !

Most students...follow general perceptions-
SCIENCE - For people with high level of intelligence;
                 - An evergreen field;
                 - High prestige;
                 -Plenty of career options in future;

COMMERCE -Don't take the risk of taking science;
                       -Safe option;
                       -Family trend;
                       -Less competition in commerce;