Which gas is used in fire extinguisher...? Mcqs

Latest MCQs

Which gas is used in fire extinguisher...?

(A) Nitrogen
(B) Carbon Dioxide

(C) Oxygen
(D) Nitrogen

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Latest MCQs

Cooking gas is also called...?

(A) Butane
(B) Hexane

(C) Propane
(D) LPG

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Latest MCQs

Abdul Qadeer Khan died on ______...?

(A) 09 October 2021
(B) 10 October 2021

(C) 11 October 2021
(D) 13 October 2021

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Latest MCQs

Bio gas is the common name of...?

(A) Methane (CH₄)
(B) Hydrogen gas

(C) Nitrogen gas
(D) Oxygen gas

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Latest MCQs

Acid rain contains high levels of _____...?

(A) Sulphuric Acid
(B) Nitric Acid

(C) Oxalic Acid
(D) Both A and B

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Latest MCQs

What is the study of fossils called...?

(A) Paleontology
(B) Archaeology

(C) Geology
(D) Anthropology

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Optical fibre works on the principle of:...?

(A) Scattering
(B) Total Internal Reflection

(C) Interference
(D) Principle of refraction

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Latest MCQs

What is the first element in the periodic table?...?

(A) Hydrogen
(B) Helium

(C) Nitrogen
(D) Carbon

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Latest MCQs

Vitamin C is abundantly found in ...?

(A) Leman
(B) Guava

(C) Apple
(D) Mango

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Latest MCQs

Which of the following is an electrolyte...?

(A) NaCl
(B) Oil

(C) Ethanol
(D) None of these

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