Mercury is a better barometric liquid because:
i. It needs no colouring
ii. Its density is many times that of water
iii. It does not wet glass
iv. It has a high vapour pressure
v. It has a high boiling point
Which of the above statements arc true?

• A.i and ii only
• B.i, ii and iii only
• C.iii and iv only
• D.iv and v only
• E.iii, iv and v only.