100+ Chemistry General Knowledge Questions & Answers Pdf - 2

Question: 6

Which one of the following is formed by dissolution of base or acid in water?

(A) Endothermic

(B) Monothermic

(C) Exothermic

(D) None of these

Question: 7

The first elements of rare earth metals is

(A) Actinium

(B) Cerium

(C) Lanthanum

(D) Uranium

Question: 8

The highest metal is

(A) Na

(B) Ca

(C) Mg

(D) Li

Question: 9

The catalyst used in the hydrogenation of oils is

(A) Fe

(B) V₂O₅

(C) Ni

(D) Pt

Question: 10

The element with the highest electrical conductivity is

(A) Silver

(B) Gold

(C) Copper

(D) Aluminium