The maximum number of electrons can be filled in the first shell of an atom are _____....? Mcqs

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The maximum number of electrons can be filled in the first shell of an atom are _____....?

(A) 2 electrons
(B) 8 electrons

(C) 18 electrons
(D) 4 electrons

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Optic fibers are mainly used for which of the following:...?

(A) Communication
(B) Weaving

(C) Food indudtry
(D) None of these

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Fertilizers are substances containing chemical elements such as manure or mixture of ______...?

(A) Lipids
(B) Carbohydrates

(C) Nitrates
(D) Proteins

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Founder of modern astronomy was _________________...?

(A) Archimedes
(B) William Gilbert

(C) Nicolas Copernicus
(D) Michael Faraday

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Which of these is NOT a form of energy...?

(A) Heat
(B) Light

(C) Temperature
(D) Electricity

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The Lunar eclipse occurs when:...?

(A) Moon is b/w the earth and the sun
(B) Earth is b/w the sun and the moon

(C) Sun is b/w the earth and the moon
(D) Earth is at right angles to the direction of the sun and the moon

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Which method can be used to get drinking water from sea water...?

(A) Filtration
(B) Sublimation

(C) Crystallization
(D) Distillation

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Which of the following waves have smallest velocity in vacuum...?

(A) Ultraviolet
(B) Sound

(C) Infra-Red
(D) Micro

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The human eye forms the image of an object at its________...?

(A) Cornea
(B) Pupil

(C) Iris
(D) Retina

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What is known the cold and dense air blowing down from the mountain slope during the night__________...?

(A) Anabatic Wind
(B) Katabatic wind

(C) Lue Wind
(D) None of these

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