Answer / guest

(3) Change of vapour into liquid

Answer / sarita

change of vapour into liquid

The gas usually filled in the eletric h\bulb is 1 Hydrogen 2 Oxygen 3 Nitrogen 4 Carbon dioxide

2 Answers  

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Which of the following is not a chemical reaction? 1 Burning of paper 2 Digestion of food 3 Conversion of water into steam 4 Burning of coal

1 Answers   NTS,

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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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Who was the first cosmonaut?

0 Answers  

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Which of the following was to be discovered first in the chromo sphere of the sun? 1 Xenon 2 Helium 3 Neon 4 Krypton

1 Answers  

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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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plants in a food chain are actually the

2 Answers   Competitive Exams, Stenographer,

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abbrivation for ROA in oracle?

1 Answers   ISRO,

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When was the second and third experimental explosion conducted?

0 Answers  

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Isotopes are separated by 1 Filtration 2 Sublimation 3 Distillation 4 Crystallization

10 Answers   Bank Exams, dpdc, MPSC, NIFT, State Bank Of India SBI,

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Which among the following is a positively charged particle emitted by a radioactive element? 1 Alpha ray 2 Beta ray 3 Gamma ray 4 Cathode ray

2 Answers  

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Which of the following is a chemical change? 1 Rusting of iron 2 Tempering of iron 3 Melting of iron 4 Bending of iron

1 Answers  

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