1999+ TNPSC Group 2 Previous Year Question Papers 2023-2024 Pdf - 2

Question: 6

The nitrogen percentage is the highest in the fertilizer?

(A) Urea

(B) Calcium cyanamide

(C) Ammonium sulphate

(D) Ammonium nitrate

Question: 7

Which of the following alkaline earth metal forms covalent compounds?

(A) Magnesium

(B) Beryllium

(C) Barium

(D) Calcium

Question: 8

Out of the following which one is an example of emulsion?

(A) Air

(B) Blood

(C) Milk

(D) Soap solution

Question: 9

Mercury is transported in metal containers made of

(A) Iron

(B) Aluminium

(C) Silver

(D) Lead

Question: 10

The molarity of pure water is

(A) 55.56m

(B) 57.71m

(C) 60m

(D) 100m