Which of the following is a good nuclear fuel?
1 Uranium-238
2 Neptunium-239
3 Thorium-236
4 Plutonium-239
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Name the scientist who has been invited by the Srilankan Governement to have a Study on Employment development?
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
Brass is an alloy of 1 Nickel and copper 2 Zinc and copper 3 Nickel and zinc 4 Nickel and silver
WHY WE SMELL A SCENT AFTER RAIN?? BUT RAIN WATER IS PUREST FORM OF WATER WHICH IS ODOURLESS.
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The filament of an electric bulb is made of 1 Iron 2 Nichrome 3 tungsten 4 Graphite
9 Answers Germanium, Google, Graphite India, Tungsten,
Which of the following elements is not-radioactive? 1 Uranium 2 Thorium 3 Plutonium 4 zirconium
Bell metal is an alloy of 1 Brass an nickel 2 Zinc and copper 3 Tin and copper 4 None of these
Which are known as non - luminous irregular nebulae?
How many colours the sunlight spectrum has ? 1 Five 2 Three 3 Seven 4 Nine
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what are the advantages and disadvantages of rational knowledge?