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- Question
Which is a pair of allotropes?
Options- A. carbon-16 and carbon-12
- B. diamond and graphite
- C. carbon dioxide and graphite
- D. diamond and carbon dioxide
- Correct Answer
- diamond and graphite
ExplanationAllotropes are the different physical forms of an element. Here in the given options, diamond and graphite are the pair of allotropes of carbon.
Some more examples are Molecular oxygen and ozone are pair of allotropes, Black and red phosphorous are also pairs of allotropes.
- 1. Marsh gas is
Options- A. nitrogen
- B. ethane
- C. methane
- D. hydrogen Discuss
- 2. Which of the following is not a part of the Internet?
Options- A. World Wide Web
- B. Email
- C. CD-ROM
- D. HTTP Discuss
- 3. Heavy water is
Options- A. deuterium oxide
- B. PH7
- C. rain water
- D. tritium oxide Discuss
- 4. Which of the following crops is regarded as a plantation crop?
Options- A. Coconut
- B. Cotton
- C. Sugarcane
- D. Rice Discuss
- 5. How many terminals does a BJT have?
Options- A. 1
- B. 5
- C. 4
- D. 3 Discuss
- 6. Jaspal Rana is in which of the following games?
Options- A. Shooting
- B. Weight Lifting
- C. Swimming
- D. Archery Discuss
- 7. Process of cell division can take place by
Options- A. heterosis
- B. fusion
- C. mitosis
- D. None of these Discuss
- 8. The temperature increases rapidly after
Options- A. ionosphere
- B. exosphere
- C. stratosphere
- D. troposphere Discuss
- 9. Filaria is caused by
Options- A. Bacteria
- B. Mosquito
- C. Protozoa
- D. Virus Discuss
- 10. The Muslim League as a political party was founded in
Options- A. 1906
- B. 1909
- C. 1915
- D. 1919 Discuss
More questions
Correct Answer: methane
Correct Answer: CD-ROM
Correct Answer: deuterium oxide
Correct Answer: Coconut
Correct Answer: 3
Correct Answer: Shooting
Correct Answer: mitosis
Correct Answer: ionosphere
Correct Answer: Mosquito
Correct Answer: 1906
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