General Science MCQ – Set 1
BanglaQuiz Question ID : 1138
1. Which one of the following is also called stranger Gas ?
(A) Argon
(B) Nitrous oxide
(C) Neon
(D) Xenon
Answer :
BanglaQuiz Question ID : 1139
2. Cobalt -60 is commonly used in radiation therapy because it emits ?
(A) Beta rays
(B) Alpha rays
(C) Gamma rays
(D) X-rays
Answer :
BanglaQuiz Question ID : 1140
3. Which one of the following is used as an explosive ?
(A) Graphite
(B) Mercuric oxide
(C) Nitroglycerine
(D) Phosphorus trichloride
Answer :
BanglaQuiz Question ID : 1141
4. Which of the following statements are true regarding heat ?
(A) Heat is a form of energy
(B) Heat is an electromagnetic radiation
(C) Heat cannot pass through vacuum
(D) Heat can be reflected by a mirror
Answer :
BanglaQuiz Question ID : 1142
5. The minimum possible temperature below which matter cannot be liquefied is ?
(A) -459.40 Degrees
(B) -273.16 Degrees
(C) -98.10 Degrees
(D) -100.00 Degrees
Answer :
BanglaQuiz Question ID : 1143
6. Which among the following phenomenon is not exhibited by sound waves ?
(A) Diffraction
(B) Polarisation
(C) Reflection
(D) Refraction
Answer :
BanglaQuiz Question ID : 1144
7. The speed of revolution of earth is ?
(A) 25 Km/min
(B) 28 Km/min
(C) 31 Km/min
(D) 39.5 Km/min
Answer :
BanglaQuiz Question ID : 1145
8. An iron needle sinks in water but a ship floats on it. This is based on which principle ?
(A) Archimedes principle
(B) Gravitational law
(C) Pascal’s law
(D) Kepler’s law
Answer :
BanglaQuiz Question ID : 1164
9. Colour of Oxygen in Solid State
(A) Pale Yellow
(B) Pale Blue
(C) Light Green
(D) Greenish Yellow
Answer :
BanglaQuiz Question ID : 1185
10. How many times is chlorine gas heavier than air?
(A) 1.27
(B) 2.50
(C) 3.81
(D) 5.0
Answer :
A yellowish green, nonflammable and liquefied gas with an unpleasant and irritating smell. Chlorine is a clear amber-colored liquid about 1.5 times heavier than water. Gaseous chlorine is greenish-yellow, about 2.5 times as heavier than air. [/spoiler]
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