Question Detail

Which is not a type of elements ?

Metals
Non Metals
Metalloids
Gases

Answer: Option D

Similar Questions :

1. Why is phosphorus kept under water ?

to make it wet
to make it durable
water forms a protective coating on it
to save it from catching fire when exposed to dry air

Answer: Option D

2. Which gas is used to manufacture vanaspati from vegetable oil is

carbon dioxide
nitrogen
oxygen
hydrogen

Answer: Option D

3. The ejection of electrons when a metal surface is irradiated is known as

Black body radiation
Photoelectric effect
Zeeman effect
Atomic spectrum

Answer: Option B

4. pH of blood is ?

10.4
9
7.4
4

Answer: Option C

5. Which metal is heaviest ?

osmium
mercury
iron
nickle

Answer: Option A

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