The recent atomic weight scale is based on
1 1H1
2 1H2
3 6C12
4 8O16
What is balanced diet? Give the everyday diet of a normal man.
Which is the regulatory authority of atomic energy in india?
there are 3 sources of resistance in a parallel circuit's. 2 of them are rated at 20 ohms, the other at 10 ohms. what is the circuit's total resistance?
Who is the second female cosmonaut?
Why we use nhexane inplace of hexane in mobilepase preparation
Enriched uranium used in a nuclear reactor is 1 Uranium freed of all impurities 2 Uranium treated with radiation 3 Uranium alloyed with aluminum 4 Uranium with a high percentage of a particular isotope
Long distance photography is facilitated by 1 Visible light 2 X-rays 3 Infrared rays 4 Ultraviolet rays
Rubber is coagulated from latex by adding 1 Hydrochloric acid 2 Acetic acid 3 Sulphuric acid 4 Carbonic acid
Which of the following is not a bleaching agent? 1 Sulphur dioxide 2 Carbon dioxide 3 Sodium hypochlorite 4 Chlorine
The combustible material at the tip of a safety match sitck is 1 Sulphur 2 Manganese dioxide 3 Phosphorus 4 Antimony sulphide
Name the scientist who has been invited by the Srilankan Governement to have a Study on Employment development?
wheather lightning will attack a aeroplane during flying if not why