General Science » Exercise – 1
48. The hardest substance available on earth is
(a) Gold
(b) Iron
(c) Diamond
(d) Platinum
| Subject Name : General Science |
| Exam Name : UPSC, SSC, KVS, NVS, IBPS, RBI, SBI, RRB |
| Posts Name : Technical Assistant, Junior Scientist, Post Graduate Teacher, College Lecturer |
| General Science Books |
Related Posts
General Science » Exercise - 1109. One kilometre is equal to how many miles? (a) 0.84 (b) 0.5 (c) 1.6 (d) 0.62- General Science » Exercise - 15. Which of the following is used as a lubricant ? (a) Graphite (b) Silica (c) Iron Oxide (d) Diamond
- General Science » Exercise - 156. Which of the following is used as a lubricant? (a) Graphite (b) Silica (c) Iron Oxide (d) Diamond
- General Science » Exercise - 133. Which of the following is an element? (a) Ruby (b) Sapphire (c) Emerald (d) Diamond
- General Science » Exercise - 194. Diamond is an allotropic form of (a) germanium (b) carbon (c) silicon (d) sulphur