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Question Detail
Rare gases are
- mono atomic
- di atomic
- tri atomic
- None of above
Answer: Option A
Explanation:
Rare gases are mono atomic.
1. Which of the following elements behave chemically both as a metal and a non metal?
- Boron
- Carbon
- Argon
- Mercury
Answer: Option A
2. What is metallurgy ?
- process of extracting metal in pure form from its ore.
- process of creating alloys of metals.
- process of making metals live long.
- None of above.
Answer: Option A
3. How many different oxides are formed by nitrogen ?
- two
- three
- four
- five
Answer: Option A
4. What nucleus of atom contains ?
- protons
- electrons
- electrons and protons
- protons and neutrons
Answer: Option D
5. The ore which is found in abundance in India is
- monazite
- bauxite
- magnetite
- fluorspar
Answer: Option A
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