Question Detail

Which metal is heaviest ?

osmium
mercury
iron
nickle

Answer: Option A

Similar Questions :

1. The single acid which dissolves gold is ?

Aqua regia
Hydrochloric acid
Nitric acid
Selenic acid

Answer: Option A

2. The oxide of Nitrogen used in medicine as anaesthetic is ?

Nitrogen pentoxide
Nitrous oxide
Nitric oxide
Nitrogen dioxide

Answer: Option A

3. Petroleum is found in ?

Marshy land
Metamorphic rocks
Igneous rock
Sedimentary rocks

Answer: Option D

4. pH of blood is ?

10.4
9
7.4
4

Answer: Option C

5. Oxides of metals are alkaline.

TRUE
FALSE

Answer: Option A

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