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- Question
Which of the following parts of the sun is easily visible only during a total solar eclipse?
Options- A. core
- B. photosphere
- C. sunspots
- D. corona
- Correct Answer
- corona
- 1. Potassium Permanganate is used for purifying drinking water, because
Options- A. it is a sterilising agent
- B. it dissolves the impurities of water
- C. it is a reducing agent
- D. it is an oxidising agent Discuss
- 2. In fireworks, the green flame is produced because of
Options- A. Sodium
- B. Potassium
- C. Barium
- D. Mercury Discuss
- 3. What does airbag, used for safety of car driver, contain?
Options- A. Sodium bicarbonate
- B. Sodium azide
- C. Sodium nitrite
- D. Sodium peroxide Discuss
- 4. The weight of an object will be minimum when it is placed at ?
Options- A. The North Pole
- B. The South Pole
- C. The Equator
- D. The center of the Earth Discuss
- 5. As you go down into a well, your weight
Options- A. increases slightly
- B. decreases slightly
- C. remains exactly the same
- D. None of the above Discuss
- 6. Which of the following is used in pencils?
Options- A. Silicon
- B. Phosphorous
- C. Graphite
- D. Charcoal Discuss
- 7. A married couple adopted a male child. A few years later, twin boys were born to them. The blood group of the couple is AB positive and O negative. The blood group of the three sons is A positive, B positive, and O positive. The blood group of the adopted son is
Options- A. O positive
- B. A positive
- C. B positive
- D. Cannot be determined on the basis of the given data Discuss
- 8. Which of the following has got more heat capacity?
Options- A. Iron piece
- B. Water
- C. Gold piece
- D. Benzene Discuss
- 9. The radioactive element most commonly detected in humans is
Options- A. potassium-40
- B. cobalt-60
- C. iodine-131
- D. plutonium-238 Discuss
- 10. The gases used in different types of welding would include
Options- A. oxygen and hydrogen
- B. oxygen and acetylene
- C. oxygen, acetylene and argon
- D. oxygen, hydrogen, acetylene and nitrogen Discuss
General Science problems
Search Results
Correct Answer: it is an oxidising agent
Correct Answer: Barium
Correct Answer: Sodium azide
Correct Answer: The center of the Earth
Explanation:
The weight of an object is minimum when it is placed at the center of the earth because when an object is in the center, it experiences gravitational pull from all directions.
Correct Answer: decreases slightly
Correct Answer: Graphite
Correct Answer: O positive
Correct Answer: Water
Correct Answer: potassium-40
Correct Answer: oxygen and acetylene
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