Which is the most famous comet?
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Heavy water is 1 Sea water (H2O+Salt) 2 D2O 3 H2O2 4 None of these
The Purest form of water can be obtained from:- I) a deep tube well II) a running stream III) a hot water spring IV) a heavy shower of rain
plants in a food chain are actually the
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Who is the oldest cosmonaut?
what is the food constitution of ragi and rice
A team of u.n scientists visited thumba?
Which scientist made detailed study on novae?
Radioactive disintegration of uranium ultimately results in formation of 1 Radium 2 Thorium 3 Polonium 4 Lead
What is the significance of international geo - physical year?
The hydrogenation of the vegetables oils takes place in the presence of finely divided 1 Aluminium 2 Charcoal 3 Silica 4 Nickel
Soda-acid fire extinguisher involves the reaction between 1 Sodium hydroxide and nitric acid 2 Sodium bi carbonate and sulphuric acid 3 Sodium sulphate and carbonic acid 4 Sodium carbonate and hydrochloric acid
In which of the following processes light energy is converted into chemical energy? 1 Respiration 2 Fermentation 3 Photosynthesis 4 Photoresiration