CBSE Class 10 Science Question Paper SA2 2010 (3)

CBSE Class 10 Science Question Paper SA 2 2010 (3). Students can download the last year question papers using the link below. Free download of examination question papers with solutions. Last 10 year question papers should be practised to get better marks in examinations.

SECTION - A

1.      A compound which is  prepared from gypsum has the property  of hardening  when mixed  with  proper quantity of water.  Identify  the compound and write  its  chemical formula.

2.      What happens to resistance  of a conductor when temperature is  increased?

3.      Which  hormone is  injected  to a diabetic  patient  and why ?

4.      What  type of energy possessed by huge waves near the sea shore ?

5.      While diluting an acid, why is it not recommended that acid should be added to water and not water to the acid  ?

6.      Write the chemical formula of bleaching powder.  How is bleaching powder prepared? Why is it used in textile industry ?

7.      Why is sodium kept immersed in kerosene oil ?

8.      How would  the reading  of (V) change if it is  connected between B and C ?

9.    Explain briefly different methods of producing induced emf

10.   Describe an activity to draw the magnetic field is produced around a current carrying conductor

11.   Which  is  the internal  energy reserve in plants?    Do the animals  have the same energy reserve ?

12.   Explain why ?

(a)   Solar  cookers are covered with  glass  plate

(b)   The solar cooker is painted black from inside.

Please click the link below to download pdf file of CBSE Class 10 Science Question Paper SA 2 2010 (3).