Question Detail

The high reactivity of fluorine is due to ?

small size of fluorine atom
its high electro negativity
availability of d-orbitals
strong F - F bond

Answer: Option B

Similar Questions :

1. All noble gases are ?

colourless
colourless
colourless and odourless
colourless and but have odour

Answer: Option C

2. Contact lenses are made from ?

Polyvinyl chloride
Teflon
Polystyrene
Lucite

Answer: Option A

3. 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

4. pH of blood is ?

10.4
9
7.4
4

Answer: Option C

5. Human bone does not contain

calcium
carbon
oxygen
phosphorous

Answer: Option C

Explanation:

Human bone contains calcium, carbon, phosphorous.

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