Which of the following shows the masses of three elementary particles in decreasing order? 1 Mesons, Baryons, Leptons 2 Leptons, Baryons, Mesons 3 Baryons, Mesons, Leptons 4 Leptons, Mesons, Baryons

1 Answers  

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Which of the following is a chemical change? 1 Magnetization of iron 2 Melting of ice 3 Burning of sulphur 4 Melting of wax

1 Answers  

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When was the indian made rocket “ rohini ” launched from thumba?

0 Answers  

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The element required for solar energy conversion is 1 Germanium 2 Silicon 3 Uranium 4 None of these

2 Answers  

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Which is the research reactors of bhabha atomic research centre?

0 Answers  

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Which of the following is used as a coolant in nuclear reactors? 1 Heavy water 2 Cadmium 3 Liquid sodium 4 None of these

2 Answers   WBCS West Bengal Civil Service,

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Rust is 1 A mixture of Fe2O3 and Fe(OH)3 2 A mixture of FeO & Fe(OH)2 3 Fe2O3 only 4 A mixture of Fe2O3.3H2O and Feo

2 Answers   AFMC,

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Which metal is used for Galvanisation of iron?

13 Answers   ncert, TCS, TNPSC Tamil Nadu Public Service Commission,

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Rusting of iron involves 1 Oxidation 2 Reduction 3 Displacement 4 Decomposition

5 Answers   MTS, SSC,

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How long can arihant stay underwater?

0 Answers  

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The highest grade of coal whose surface is shining and has the highest calorific value, is 1 Bituminous 2 Lignite 3 Anthracite 4 Peat

1 Answers   Neyveli Lignite Corporation,

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What are pulsars?

0 Answers  

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