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- Question
Consider the following chemical reaction : aFe2O3(s) + bCO(g) + cFe(s) + dCO2 In the balanced chemical equation of the above, which of the following will be the values of the coefficients a, b, c and d respectively?
Options- A. 3, 2, 3, 1
- B. 1, 3, 2, 3
- C. 2, 3, 3, 1
- D. 3, 3, 2, 1
- Correct Answer
- 1, 3, 2, 3
ExplanationFe2O3 + 3CO = 2Fe + 3CO2
Hematite + Carbon Monoxide = Iron + Carbon Dioxide
In this reaction, the iron oxide is reduced to iron, and the carbon is oxidised to carbon dioxide.
- 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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