The following are the methods to purify water except...? Mcqs

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The following are the methods to purify water except...?

(A) Filtration
(B) Distillation

(C) Crystallization
(D) Chlorination

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Which of the following chemicals is not found in tobacco smoke...?

(A) Chlorine bleach
(B) Rocket fuel

(C) Nail polish remover
(D) Barbecue lighter fluid

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The atmospheric air is held to the Earth by...?

(A) gravity
(B) winds

(C) clouds
(D) rotation of the Earth

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Which of the followings planet can float on water...?

(A) Saturn
(B) Mars

(C) Venus
(D) None

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The Oort cloud is estimated to be about __________ AU away from the sun...?

(A) 100,000
(B) 200,000

(C) 300,000
(D) 400,000

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Secondary wall is made up of ______...?

(A) Pectin and cellulose
(B) Cellulose and protein

(C) Cellulose and lignin
(D) Lignin and pectin

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According to Mosely the chemical properties of elements are the periodic function of their...?

(A) Atomic Size
(B) Atomic Mass

(C) Atomic Radius
(D) Atomic Number

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Wood is the main raw material for the manufacture of ____________...?

(A) Paint
(B) Gun powder

(C) Paper
(D) Ink

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Chemical Name of Dry Ice...?

(A) Solid Carbon Dioxide
(B) Calcium Carbon

(C) A&B
(D) Sodium Oxide

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The moon’s surface temperature varies from about ________ to _________ ...?

(A) – 173 degrees Celsius at night to 127 degrees Celsius during the day
(B) – 172 degrees Celsius at night to 172 degrees Celsius during the day

(C) Remains constant during day and night
(D) – 170 degrees Celsius at night to 107 degrees Celsius during the day

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