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(1) Refractory minerals

what is the force that helping the earth to revolve by its own.

2 Answers  

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Which of the following is the basis of modern periodic table? 1 Atomic mass 2 Atomic number 3 Atomic size 4 Atomic volume

1 Answers  

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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 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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Combustion is the process in which 1 Heat is produced 2 Light is produced 3 Heat and light are produced 4 None of these

1 Answers  

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What is condensation? 1 Change of gas into solid 2 Change of solid into liquid 3 Change of vapour into liquid 4 Change of heat energy into cooling energy

2 Answers  

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Who discovered radio telescope?

0 Answers  

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Which gas is used in cold store ?

4 Answers   Tumkur University,

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Which synthetic fiber is known as artificial silk? 1 Cotton 2 Rayon 3 Terylene 4 Nylon

4 Answers   HCL,

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List and explain two instances of Correlation Science with Life Situation

0 Answers   Mahatma Gandhi University,

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Which is the largest comet?

0 Answers  

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Marsh gas is 1 Hydrogen 2 Nitrogen 3 Methane 4 Ethane

2 Answers  

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