TNPSC VAO Model Question Papers with Answers - 1

Question: 1

Which of the following is obtained in its pure form by the reaction of sugar and sulphuric acid?

(A) Hydrogen

(B) Oxygen

(C) Carbon

(D) Water

Question: 2

Chlorophyll is a naturally occurring chelate compound in which the central metal is

(A) Magnesium

(B) Calcium

(C) Copper

(D) Iron

Question: 3

When isopropyl alcohol is passed over copper at 573 K it gives

(A) Propane

(B) Acetone

(C) Proponal

(D) Acetic acid

Question: 4

The element whose oxidation state in its every compound is same is

(A) Oxygen

(B) Hydrogen

(C) Fluorine

(D) Carbon

Question: 5

Cutting and peeling of onions brings tears to the eyes because of the presence of

(A) Aminoacid in the cell

(B) Fat in the cell

(C) Carbon in the cell

(D) Sulfur in the cell