Which gas is commonly used in balloons and airships...? Mcqs

Latest MCQs

Which gas is commonly used in balloons and airships...?

(A) Helium
(B) Hydrogen

(C) Carbon
(D) Chlorine

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Latest MCQs

Total number of moons in entire Solar System are:__________...?

(A) More than 100
(B) More Than 200

(C) More than 300
(D) More than 400

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Latest MCQs

Ultrasound has several uses in medicine and industry. Which one has use of ultrasound...?

(A) Absorption
(B) Pre-natal scanning

(C) Dispersion
(D) Measuring humidity of air

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The density of Air is_____________...?

(A) 0.225 kg/m3
(B) 1.025 kg/m3

(C) 1.225 kg/m3
(D) 1.425 kg/m3

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Latest MCQs

The liquid molecules leave the surface of liquid in evaporation process because ______...?

(A) Energy is low
(B) Energy is moderate

(C) Energy is high
(D) None of these

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Which of the following is not an Arrhenius acid...?

(A) HCl
(B) CO2

(C) HNO3
(D) H2SO4

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Which gas is produced when trees and fossil fuels are burnt...?

(A) Carbon monoxide
(B) Carbon dioxide

(C) Nitrogen oxide
(D) Oxygen

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Oasis is associated with___________...?

(A) Glaciers
(B) Desert

(C) Islands
(D) Volcanoes

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Latest MCQs

An important ore of chromium is ___________...?

(A) Argon
(B) Chromite

(C) Mirage
(D) Diamond

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Which are consumers that eat both producers and consumers...?

(A) Omnivores
(B) Herbivores

(C) Carnivores
(D) None

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