7000+ General Science Questions and Answers 2024 - 2025 Pdf - 2

Question: 6

The chemical (ethyl merceptan) added to the otherwise odourless LPG cooking gas for imparting a detectable smell to the gas is a compound of

(A) Bromine

(B) Chlorine

(C) Fluorine

(D) Sulphur

Question: 7

Lack of proper nutrition results in

(A) Anaemia

(B) Diabetes

(C) Scurvy

(D) Fluorosis

Question: 8

When milk is churned, the cream is separated from it due to

(A) Centrifugal force

(B) Gravitational force

(C) Cohesive force

(D) Frictional force

Question: 9

A person with stones in the kidney is advised to avoid

(A) Tomato

(B) Lemon

(C) Vinegar

(D) Lentils

Question: 10

Sound waves produce echo due to

(A) Absorption

(B) Reflection

(C) Diffraction

(D) Refraction