Which of the following mixture of gases is required in gas welding...? Mcqs

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Which of the following mixture of gases is required in gas welding...?

(A) Oxygen and ethylene
(B) Oxygen and hydrogen

(C) Acetylene and oxygen
(D) Acetylene and hydrogen

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Washing machine is working on the principle of...?

(A) Photoelectric effect
(B) Electric-magnetic induction

(C) Centrifugation
(D) None of these

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Myopia is a human eye disorder That can be corrected by using the lens ...?

(A) Convex
(B) Concave

(C) Cylindrical
(D) Medicine

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Which scientist established that the various form of energy mechanical, electrical and heat are basically the same and can be changed from one form into another...?

(A) John Dalton
(B) William Thomson

(C) Albert Einstein
(D) James Prescott Joule

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Study of energy production in living bodies is called_________...?

(A) Biology
(B) Biomechanics

(C) Bioenergetics
(D) Aerodynamics

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What is the chemical name of vitamin E...?

(A) Calciferol
(B) Tocopherol

(C) Riboflavin
(D) Phylloquinone

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Which of the following planets rotate from east to west on its exis...?

(A) Jupiter, Mars
(B) Mercury, Saturn

(C) Venus, Uranus
(D) Neptune, Earth

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Which of the following diseases is caused by virus...?

(A) Small pox
(B) Tuberculosis

(C) Malaria
(D) Cholera

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Salt among following is ______...?

(A) HCl
(B) KCl

(C) HNO3
(D) H2SO4

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The splitting of a heavy nucleus into smaller nuclei is called...?

(A) Fusion
(B) Fission

(C) Half-life
(D) Gamma decay

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