When did the most luminous nova appear?
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Rubber is coagulated from latex by adding 1 Hydrochloric acid 2 Acetic acid 3 Sulphuric acid 4 Carbonic acid
plants in a food chain are actually the
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In an atomic nucleus, neutrons and protons are held together by 1 Gravitational forces 2 Magnetic forces 3 Exchange force 4 Coulombic forces
Optic fibers are mainly used for which of the following? 1 Communication 2 Weaving 3 Musical instruments 4 Eye surgery
The element found on the surface of the moon is 1 Tin 2 Tungsten 3 Tantalum 4 Titanium
Who is the first female cosmonaut?
Why cMadurai is hotter than chennai?
In a fast breeder reactor, U-238 gets converted to 1 U-235 2 U-237 3 Co-60 4 Plutonium-239
neel armstrong belongs to which country ?
Potassium nitrate is used in 1 Salt 2 Glass 3 Fertilizer 4 Medicine
difference between typewriter and computer?
In which type of rocks re metals like gold and copper mostly found? 1 Old igneous 2 Old sedimentary 3 Old metamorphic 4 New metamorphic