Soda water contains 1 Nitrous acid 2 Carbonic acid 3 Carbon dioxide 4 Sulphuric acid

3 Answers   PNRD, RRB,

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The purest form of iron is 1 Steel 2 Cast iron 3 Pig iron 4 Wrought iron

21 Answers   CIPET, FCI, HCL, JIPMER, NTSE, PSI Data Systems, RRB, SSC,

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How long can arihant stay underwater?

0 Answers  

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What are cosmic rays?

0 Answers  

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What are the points to be born in mind while eating to avoid disease?

1 Answers  

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is there any instrument to convert mechanical energy into electrical energy

5 Answers  

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In which of the following processes, is vanadium pent oxide used as a catalyst? 1 Contact process 2 Haber’s process 3 Solvay process 4 None of these

2 Answers  

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The main important feature of neutron bomb is that when it is dropped on a city, it would damage 1 Both the living organisms and buildings 2 The buildings but not the living organisms 3 The living organisms but spare buildings 4 None of these

3 Answers   GTY, Indian Railways, Option 3, RRB, RRC Railway Recruitment Cell,

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Which of the following is commonly called a ‘polyamide’? 1 Rayon 2 Orlon 3 Terylene 4 Nylon

1 Answers  

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The isotope of uranium capable of sustaining chain reactions is 1 U-235 2 U-238 3 U-239 4 None of these

1 Answers  

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Atom bomb is based on the principle of 1 Nuclear fusion 2 Nuclear fission 3 Both (a) & (b) 4 None of these

4 Answers   ECAT, Group 4 iv, Qnet, UPSC,

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Water gas is prepared by passing 1 Steam over white-hot coke 2 Air over red-hot coke 3 Methane over red-hot coke 4 Steam over heated sulphur

6 Answers  

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