2013 · Q17
17. What are the elements which are liquids at room temperature and standard pressure?
- 1Helium
- 2Mercury
- 3Chlorine
- 4Bromine
Select the correct answer using the code given below:
General KnowledgeChemistry
- A2 and 3 only
- B2, 3 and 4
- C2 and 4 only
- D1 and 3
Explanation
Mercury and bromine are liquids at room temperature; the official key marks C.