mercury is a better barometric fluid than water because i. it needs no colouring ii. its density is many times greater than 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 are 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