Which radioactive pollutant has recently drawn the attention
of the public, due to its occurrence in the building material?
1 Radium
2 Radon
3 Thorium
4 Plutonium
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Which of the following is a chemical change? 1 Rusting of iron 2 Tempering of iron 3 Melting of iron 4 Bending of iron
Which of the following is the most stable element? 1 Uranium 2 Hydrogen 3 Oxygen 4 Lead
Why cMadurai is hotter than chennai?
where the 3rd earthsummit held
Why is ice wrapped in gunny sacks to prevent it from melting
Which of the following is used to coagulate synthetic fibers from solution? 1 Hydrochloric acid 2 Sulphuric acid 3 Nitric acid 4 None of these
Which of the following gases is lighter than air? 1 Carbon dioxide 2 Oxygen 3 Ammonia 4 Chlorine
Which scientists gave detailed information about nebula?
abbrivation for ROA in oracle?
List out the General Objectives of teaching Physical science at Primary stages.
0 Answers Mahatma Gandhi University,
Which of the following is the best conductor of electricity? 1 Zinc 2 Copper 3 Gold 4 Silver
The correct sequence of various regions I absorption spectrum is 1 Visible, ultraviolet, microwave, infra red 2 Infra red, gamma rays, ultraviolet, microwave 3 Ultra violet, visible, infra red, microwave 4 None of these
Biological Sciences 
