Category Archives: CBSE Class 10

In a nuclear reaction, two lighter nuclei combine to form a comparatively heavier nucleus with release of energy. Name this nuclear process. Give an example of such a nuclear reaction. State two advantages of this process for conversion of nuclear energy to electrical energy. Why is it difficult to use such a process for commercial generation of energy ?

04/02/2012 – 2:39 PM | By Satyam | Posted in CBSE Class 10 | Comments (0)

In a nuclear reaction, a heavy nucleus disintegrates into two lighter nuclear fragements with release of energy. Name this nuclear process. Give an example of such a nuclear reaction. Suggest one peaceful application of this process. Give one advantage and one disadvantage of use of this process for conversion of nuclear energy into electrical energy.

04/02/2012 – 2:39 PM | By Satyam | Posted in CBSE Class 10 | Comments (0)

Describe an activity to observe the changes through which sulphur undergoes when melted.

04/02/2012 – 2:38 PM | By Satyam | Posted in CBSE Class 10 | Comments (0)

Draw a labeled diagram for Frasch process used for extraction of sulphur.

04/02/2012 – 2:38 PM | By Satyam | Posted in CBSE Class 10 | Comments (0)

Name the chief ore of iron. How is it concentrated ? Draw a labelled diagram of Blast furnace for extraction of iron. Write balanced chemical equations for the reactions taking place in blast furnace.

04/02/2012 – 2:37 PM | By Satyam | Posted in CBSE Class 10 | Comments (0)