General Knowledge : General Science QUESTIONS AND ANSWERS :: part2 : 66 to 70
Following General Knowledge Multiple choice objective type questions and answers will help you in TRB, SSC and UPSC 2014 examinations :
66.Saponification involves the hydrolysis of fats and oils by |
| water |
| washing soda |
| stearic acid |
| caustic soda |
67.Bell metal is an alloy of |
| brass and nickel |
| zinc and copper |
| tin and copper |
| nickel and copper |
68.Which synthetic fibre is known as artificial silk ? |
| Cotton |
| Rayon |
| Terylene |
| Nylon |
69.Atom bomb is based on the principle of |
| nuclear fusion |
| nuclear fission |
| Both (A) and (B) above |
| None of these |
70.Quartz crystals normally used in quartz colocks etc. is chemically |
| sodium silicate |
| germanium oxide |
| silicon dioxide |
| a mixture of (B) and (C) |
More General Science QUESTIONS AND ANSWERS available in next pages
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