General Knowledge : General Science QUESTIONS AND ANSWERS :: part13 : 16 to 20
Following General Knowledge Multiple choice objective type questions and answers will help you in TRB, SSC and UPSC 2024 examinations :
16.When cream is separted from milk, |
| the density of milk decreases. |
| the density of milk increases. |
| the density of milk remains unchanged. |
| None of these |
17.Ball bearings are used in a vehicle to |
| increase friction |
| reduce friction |
| make the wheel stable |
| None of these |
18.A substance which can act both as an acid and a base is known as |
| Amorphous |
| Allotropic |
| Amphoteric |
| None of these |
19.Which of the following substances has the lowest specific gravity ? |
| Iron |
| Gold |
| Marble |
| Brass |
20.Which of the following is paired correctly ? |
| Lysosomes - Hereditary characters |
| Xylem - Vascular tissue |
| Heavy water - Allotropic form of carbon |
| Graphite - Deuterium oxide |
More General Science QUESTIONS AND ANSWERS available in next pages
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