General Science Grade 6, 7, 8, 9, 10 Questions and Answers Pdf - 1

Question: 1

The common salt is _____

(A) Sodium chloride

(B) Sodium nitrate

(C) Sodium bicarbonate

(D) Sodium carbonate

Question: 2

Lemon juice will turn ______

(A) Methyl orange red

(B) Red litmus blue

(C) Turmeric indicator red

(D) Phenolphthalein pink

Question: 3

A salt may be ______

(A) Acidic, basic or neutral

(B) Acidic only

(C) Basic only

(D) Neutral only

Question: 4

Acids and bases can be identified in the laboratory by _____

(A) Smelling

(B) Touching

(C) Tasting

(D) An indicator

Question: 5

Add few drops of hibiscus indicator in soap solution. What do you observe?

(A) It turns red

(B) It turns yellow

(C) It turns magenta

(D) It turns green