SOME IMPORTANT FACTS(PART-II)

1. From 1kg of honeybee 3500 calorie energy is produce.
2. N2O is known as laughing gas.
3. Bones contain about 58% calcium phosphate.
4. Phosphine gas is used in voyage as Holmes signal.
5. Chlorine gas is used in voyage as Holmes signal.
6. Red phosphorus is used in match industry.
7. Urea contains 46% nitrogen.
8. In the electroplating of vessel NH4Cl is used.
9. Power alcohol is prepared from mixing pure alcohol in benzene which is used as rocket fuel.
10. Artificial perfumes are prepared from ethyl acetate.