General Knowledge : General Science QUESTIONS AND ANSWERS :: part18 : 11 to 15
Following General Knowledge Multiple choice objective type questions and answers will help you in TRB, SSC and UPSC 2014 examinations :
11.Who developed the telegraphic code ? |
| Andre Ampere |
| Samuel Morse |
| Joseph Henry |
| Jean Fourier |
12.Atmospheric air contains the following in varying amounts : 1. Nitrogen2. Carbondioxide3. Argon4. Oxygen |
| 4, 1, 2, 3 |
| 1, 3, 2, 4 |
| 3, 1, 2, 4 |
| 1, 4, 3, 2 |
13.Amalgam isa mixture of : |
| any non-metal and chlorine |
| any metal and florine |
| any non-metal and lead |
| any metal and mercury |
14.The chemical usedf as a ""fixer"" in photography is : |
| borax |
| sodium thiosulphate |
| sodium sulphate |
| ammonium persulphate |
15.If a proton of mass m is moving with velocity of light, its mass will be : |
| unchanged |
| large but finite |
| infinite |
| zero |
More General Science QUESTIONS AND ANSWERS available in next pages
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