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- Question
Which are two chemicals used to purify water?
Options- A. Chlorine & Fluorine
- B. Fluorine & Iodine
- C. Chlorine & Hydrogen peroxide
- D. Fluorine & Iodine
- Correct Answer
- Chlorine & Hydrogen peroxide
ExplanationRemoving the contaminents if any in the water which causes harm to our health is involved in the purifying of water.
This process involves chemicals. Chloramines, Hydrogen peroxide, Iodine are the chemicals which are used in purifying water.
- 1. Which of these is not a computer?
Options- A. Aptiva
- B. Macintosh
- C. Acorn
- D. Paseo Discuss
- 2. On July 12, 1982, the ARDC was merged into
Options- A. RBI
- B. NABARD
- C. EXIM Bank
- D. None of the above Discuss
- 3. Outer covering of virus made up of protein is
Options- A. capsid
- B. coat
- C. virion
- D. viriod Discuss
- 4. What is part of a database that holds only one type of information?
Options- A. Report
- B. Field
- C. Record
- D. File Discuss
- 5. In which year did Milkha Singh win the first National title in the 400 m race?
Options- A. 1955
- B. 1956
- C. 1957
- D. 1970 Discuss
- 6. Bismillah Khan was associated with?
Options- A. Sarod
- B. Shehnai
- C. Flute
- D. Tabla Discuss
- 7. The light of distant stars is affected by
Options- A. the earth's atmosphere
- B. interstellar dust
- C. both (a) and (b)
- D. None of the above Discuss
- 8. The minor planets revolving between the orbits of Jupiter and Mars are called
Options- A. Novas
- B. Comets
- C. Meteors
- D. Asteroids Discuss
- 9. HTML is used to...
Options- A. Plot complicated graphs
- B. Author webpages
- C. Translate one language into another
- D. Solve equations Discuss
- 10. What is the Websites code for the country Mongolia?
Options- A. MN
- B. ML
- C. MG
- D. MO Discuss
More questions
Correct Answer: Paseo
Correct Answer: NABARD
Correct Answer: capsid
Correct Answer: Field
Correct Answer: 1957
Correct Answer: Shehnai
Correct Answer: both (a) and (b)
Correct Answer: Asteroids
Correct Answer: Author webpages
Correct Answer: MN
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