Saturday, June 7, 2014

General Science for Entrance Exams | 07 June 2014

1. Why is potassium permanganate used for purifying drinking water?
[A]Because it is an oxidising agent
[B]Because it is a reducing agent
[C]Because it is a sterilising agent
[D]Because it dissolves the impurities of water

2. Polythene is industrially prepared by the polymerization of ______________.

3. Thalassaemia is a hereditary disease affecting ___________.

4. Which of the following is an element?

5. Transistors used in electric equipments are mostly made of ______________.