A metalloid used to make glass :
- ASulphur
- BGermanium
- CSilicon
- ✓Antimony
Answer: D.
View full solution →118 questions across 7 question groups — pick any mix to generate a CHEMISTRY paper with step-by-step answer keys.
MCQ
12 Q→02[1 Mark Question Answer]
67 Q→03[2 Mark Question Answer]
11 Q→04[3 Mark Question Answer]
3 Q→05Fill in the blanks.
13 Q→06TRUE / FALSE
10 Q→07Match The Following.
2 Q→One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
Answer: D.
View full solution →Answer: C.
View full solution →Answer: C.
View full solution →Answer: A.
View full solution →Answer: C.
View full solution →| Column A | Column B |
| (a) Helium | (1) Electric bulb |
| (b) Neon | (2) Thermometer |
| (c) Argon | (3) Semiconductor |
| (d) Germanium | (4) Weather balloons |
| (e) Mercury | (5) Advertising signboards |
| Column A | Column B | ||
| 1 | A metal used for making high quality mirrors . | a | Chlorine |
| 2 | A metal which neither malleable nor ductile. | b | Graphite |
| 3 | A non-metal,used in the sterilsation of water. | c | Iodine |
| 4 | A non-metal, whose deficiency can lead to disease like goitre. | d | Silver |
| 5 | A non -metal which can be used as dry lubricant. | e | Zinc |
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