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- Question
What reacts with oxygen to produce rust?
Options- A. Aluminium
- B. Silver
- C. Copper
- D. Iron
- Correct Answer
- Iron
ExplanationIron reacts with oxygen in the presence of moisture or water to form a red oxide called rust and the reaction involved is called as Redox reaction.
- 1. The organic reaction represented by equation CH3 - CH = O + H2NOH gives CH3 - CH - NH + H2O is an example of
Options- A. an addition reaction
- B. a condensation reaction
- C. an oxidation reaction
- D. an elimination reaction Discuss
- 2. Which of the following is not an isotope of hydrogen?
Options- A. Tritium
- B. Deuterium
- C. Protium
- D. Yttrium Discuss
- 3. The IBM PC-XT was the first to include a hard drive. What was the capacity of this disk?
Options- A. 20 MB
- B. 1.44 MB
- C. 10 MB
- D. 750 KB Discuss
- 4. The great Victoria Desert is located in
Options- A. Canada
- B. West Africa
- C. Australia
- D. North America Discuss
- 5. Nuclear fission is caused by the impact of
Options- A. neutron
- B. proton
- C. deuteron
- D. electron Discuss
- 6. Which of the following is a warm current?
Options- A. Benguela current
- B. Labrador current
- C. Kurosiwo current
- D. South Pacific current Discuss
- 7. In which year did Ajay Jadeja make his ODI debut?
Options- A. 1996
- B. 1985
- C. 1992
- D. 1991 Discuss
- 8. 'The Gathering Storm' is written by
Options- A. Winston Churchill
- B. George Washington
- C. Voltaire
- D. Romain Rolland Discuss
- 9. Which of the following countries is not a member of a SAARC
Options- A. Sri Lanka
- B. Myanmar
- C. Maldives
- D. Bhutan Discuss
- 10. Each year World Red Cross and Red Crescent Day is celebrated on
Options- A. May 8
- B. May 18
- C. June 8
- D. June 18 Discuss
More questions
Correct Answer: a condensation reaction
Correct Answer: Yttrium
Explanation:
http://en.wikipedia.org/wiki/Isotopes_of_hydrogen
Correct Answer: 10 MB
Explanation:
The original IBM PC used 5.25-inch floppy disks to store its operating system and programs. IBM referred to the new hard disk as a Fixed Disk. Today, even a the operating system wont fit on a 10 MB disk.
Correct Answer: Australia
Correct Answer: neutron
Correct Answer: Kurosiwo current
Correct Answer: 1992
Explanation:
That match was between India and Sri Lanka.
Correct Answer: Winston Churchill
Correct Answer: Myanmar
Correct Answer: May 8
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