PHYSICS ONE LINER SET 51

PHYSICS ONE LINER SET 51

1. In colourful diamond, Why are different colours present? Due to impurities
 
2. What is the number of unpaired electrons in carbon atom? 2
 
3. When some detergent is added to water, what will be the surface tension? Increases
 
4. What is reduction of oxide with carbon at high temperature called? Smelting
 
5. Conversion of chemical energy into electrical energy occurs in which thing? Battery
 
6. Purification of petroleum is carried out by which method? Fractional distillation
 
7. Which petroleum refinery product has the lowest boiling point? Gasoline
 
8. Which is purest form of iron? Wrought iron
 
9. Which is used as a coolant in nuclear reactors? Liquid sodium
 
10. What does M3 include? M1 + T.D