These chemistry questions will surely help you in your competitive exams.
1. What nature of flame is emitted when a ribbon of magnesium is combusted?
- White shiny
2. Which acid is found in vinegar?
- Acetic acid
3. Which of the following is an alien compound?
- Plaster of Paris
4. Approximate pH value of lemon juice?
- 2.2 is
5. With which substance is it beneficial to treat bee stings?
- Baking soda
6. What kind of brushing should be done to clean the mouth so that dentistry can be stopped?
- Alkaline dentin
7. Which of the following is the conductor of nonmetal electricity?
- Graphite
8. Which of the following metals can be cut with a knife?
- Sodium
9. Is zinc ore?
- Zinc blade
10. Which gas accumulates at the anode after electromagnetic decomposition of alumina?
- Oxygen gas
11. What percentage of carbon is in steel?
- 2 %
12. Which metal does not react with oxygen even at higher temperatures?
- Gold
13. Which metal starts floating when put in water?
- Calcium
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These general awareness questions will help you in competition exam preparations
