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- Question
Which one of the following gases dissolves in water to give acidic solution?
Options- A. Carbon dioxide
- B. Oxygen
- C. Nitrogen
- D. Hydrogen
- Correct Answer
- Carbon dioxide
ExplanationCarbon dioxide (CO2) gas dissolved in water can cause water to become acidic.The acidity of water from dissolved CO2 can be reduced by a base such as baking soda (sodium bicarbonate).
- 1. The author of controversial book 'Lajja' is a citizen of
Options- A. Pakistan
- B. Indonesia
- C. Bangladesh
- D. India Discuss
- 2. Which of the following important rivers of India does not originate from the Western Ghats?
Options- A. Cauvery
- B. Godavari
- C. Krishna
- D. Mahanadi Discuss
- 3. The last major glacial period began about 2,000,000 years before present and is commonly known as
Options- A. Pleistocene or ice age
- B. Paleocene or ice age
- C. Pliocene or ice age
- D. Holocene or ice age Discuss
- 4. Amjad Ali Khan is associated with which of the following musical instruments?
Options- A. Sarod
- B. Veena
- C. Violin
- D. Sitar Discuss
- 5. The Himalayan mountain system belongs to which of the following?
Options- A. Volcanic mountains
- B. Residual mountains
- C. Block mountains
- D. Fold mountains Discuss
- 6. The year 788 AD was a good one for Hinduism. Why?
Options- A. Shankracharya was born that year.
- B. Harsha Vardhana, the last Buddhist king, died.
- C. Samudragupta converted to Hinduism.
- D. All Muslim invaders were defeated. Discuss
- 7. What Karl Benz invented?
Options- A. Gasoline powered automobile
- B. Streetcar
- C. Glider
- D. Steam turbine Discuss
- 8. Most common disease of poultry in India is
Options- A. fowl pox
- B. tick fever
- C. ranikhet
- D. coryza Discuss
- 9. The northern hemisphere and the southern hemisphere are separated by
Options- A. the International Date line
- B. the plane of the equator
- C. the plane of Tropic of Cancer
- D. the plane of Tropic of Capricorn Discuss
- 10. The largest country of the world by geographical area is
Options- A. Russia
- B. Vatican City
- C. Australia
- D. USA Discuss
More questions
Correct Answer: Bangladesh
Correct Answer: Mahanadi
Correct Answer: Pleistocene or ice age
Correct Answer: Sarod
Correct Answer: Fold mountains
Correct Answer: Shankracharya was born that year.
Correct Answer: Gasoline powered automobile
Explanation:
Invented in 1885.
Correct Answer: ranikhet
Correct Answer: the plane of the equator
Correct Answer: Russia
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