Matter And Its Nature QUESTIONS AND ANSWERS :: part6 : 1 to 5
Following Matter And Its Nature Multiple choice objective type questions and answers will help you in many competitive written examinations and inteview 2024 like SSC exams :
1.Rusting can be prevented by ……………… |
| Chrome plating |
| Galvanization |
| Painting |
| all the above |
2.The compounds that are responsible for the bright colours and aroma in fruits are ……………….. |
| phenolic compounds |
| melanin |
| organic acids |
| indicators |
3.In addition to the new products formed in a chemical change ………………… |
| heat is released or absorbed |
| sound may be produced |
| both (Opt1) and (Opt2) |
| reversible change occurs |
4.When vapours are allowed to cool, they condense to liquid state. This process is called ……………. |
| melting |
| boiling |
| condensation |
| freezing |
5.Silver spoon becomes tarnished when exposed to air. It is due to the reaction of silver with ………….. |
| Water |
| Oxygen |
| Chlorine |
| Sulphur |
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