Discussion
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- Question
- Assertion (A)
Graphite is slippery and used as a lubricant.
Reason (R)
Graphite has free electrons.
Options- A. if both A and R are true and R is the correct explanation of A
- B. if both A and R are true and R is not the correct explanation of A
- C. if A is true but R is false
- D. if A is true but R is true
- Correct Answer
- if both A and R are true and R is not the correct explanation of A
ExplanationIn graphite, each carbon atoms is linked to three other carbon atoms, while one electron in the carbon atom is delocalised. So, graphite has free electrons and it is also used as a lubricant but reason does not explains assertion.
- 1. A bulb always has
Options- A. Glass
- B. Current
- C. Filament
- D. Light Discuss
- 2. Mash : Horse : : Mast :?
Options- A. Cow
- B. Monkey
- C. Lion
- D. Pig Discuss
- 3. 4 : 9 : : 8 :?
Options- A. 2
- B. 13
- C. 31
- D. 10 Discuss
- 4. Find the odd one out:
Options- A. Rose
- B. Lotus
- C. Dahlia
- D. Marigold Discuss
- 5. Find the odd one out:
Options- A. Trunk
- B. Tree
- C. Fruit
- D. Leaf Discuss
- 6. A mirror always
Options- A. Retracts
- B. Distorts
- C. Refracts
- D. Reflects Discuss
- 7. Football : Hockey : Tennis
Options- A. Athletes
- B. Indo
- C. Games
- D. Aquatic Discuss
- 8. NA
Options- A. ADGPT
- B. ACERK
- C. ABDEQ
- D. ADIPY Discuss
- 9. NA
Options- A. Author
- B. Novelist
- C. Poet
- D. Publisher Discuss
- 10. Who is to the immediate left of R?
Options- A. P
- B. H
- C. W
- D. T Discuss
More questions
Correct Answer: Filament
Correct Answer: Pig
Explanation:
Former is the food for latter.
Correct Answer: 13
Explanation:
As, 4 : 9 similarly 8 : 13
? ? = 13
Correct Answer: Lotus
Explanation:
Lotus grow on land.
Correct Answer: Tree
Explanation:
Tree, rest all are the parts of a tree.
Correct Answer: Reflects
Correct Answer: Games
Explanation:
All are games.
Correct Answer: ADGPT
Explanation:
All others have two vowels.
Correct Answer: Publisher
Explanation:
Except the 'Publisher' , all other are related to 'literature' .
Correct Answer: T
Explanation:
T
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