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General Science MCQ - Multiple Choice Question and Answer

General Science MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

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Question No : 36
The intencity of Earthquakes is measured on

Beaufort scale
Secant scale
Mercalli scale
Richter scale

Question No : 37
The recent atomic weight scale is based on

1H1
1H2
6C12
8O16

Question No : 38
Bromine is

A Black solid
A red liquid
A highly inflammable gas
colourless gas insoluble in water

Question No : 39
In an atomic nucleus, neutrons and protons are held together by

Magnetic forces
Gravitational forces
Coulombic forces
Exchange forces

Question No : 40
Which of the following is commonly called a polyamide ?

Orion
Terylene
Rayon
Nylon

Question No : 41
The oxide of Nitrogen used in medicine as anaesthetic is

Nitric oxide
Nitrogen dioxide
Nitrogen pentoxide
Nitrous oxide

Question No : 42
The metallic constituents of hard water are

Calcium, magnesium and iron
Magnesium, Calcium and tin
Magnesium, tin and iron
Iron, tin and calcium