General Knowledge : General Science QUESTIONS AND ANSWERS :: part18 : 61 to 65
Following General Knowledge Multiple choice objective type questions and answers will help you in TRB, SSC and UPSC 2014 examinations :
61.Oil rises up the wick in a lamp because |
| oil is very light |
| of the diffusion of oil through the wick |
| oil is volatile |
| of the capillary action phenomenon |
62.Which of the following causes the rusting of iron ? 1. Oxidation2. Reduction3. Chemical reaction with oxygen 4. Chemical reaction with carbon dioxide |
| 1 and 2 |
| 2 and 3 |
| 3 and 4 |
| 1 and 3 |
63.Glass is made of the mixture of : |
| quartz and mica |
| sand and salt |
| sand and silicates |
| none of these |
64.The dress made out of which of the following meterials is safe to wear while cooking ? |
| Cotton |
| Silk |
| Nylon |
| Terylene |
65.Which of the following is the correct combination of the inventors and the inventions ? |
| Galileo Galilei - Transistors |
| Elisha Thomsan - Windmill |
| J. L. Baird - Television |
| Sir Frank Whittle - Laser |
More General Science QUESTIONS AND ANSWERS available in next pages
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