A method of removing suspended sand particles and insoluble physical impurities from water is known as...? Mcqs

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A method of removing suspended sand particles and insoluble physical impurities from water is known as...?

(A) Sedimentation
(B) Filtration

(C) Distillation
(D) Chlorination

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Latest MCQs

The only vitamin which can not be stored in human body...?

(A) Vitamin C
(B) vitamin D

(C) vitamin K
(D) None of these

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Latest MCQs

Sleeping sickness in the natives of Africa is caused by________...?

(A) Trichomonas
(B) Giardia

(C) Leishmania
(D) Trypanosoma

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About ______ of the body weight of a mammal is water....?

(A) 70%
(B) 75%

(C) 80%
(D) 90%

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The life cycle of the frog is...?

(A) Frogspawn→tadpoles→frog→froglet
(B) Frogspawn→froglet→frog→tadpoles

(C) Frogspawn→frog→tadpoles→froglet
(D) Frogspawn→tadpoles→froglet→frog

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A branch of medicine dealing with eyes and related diseases is called_________...?

(A) Opthalmology
(B) Obstetrics

(C) Physiology
(D) Haematology

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Which of the following is an alcohol...?

(A) CH3-CHO
(B) CH3-CH2-O-CH3

(C) CH3-OH
(D) HCOOH

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A change that alters the composition of a substances is known as ____...?

(A) Physical Change
(B) Nuclear Change

(C) Chemical Change
(D) Biological Change

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The alcohol used in the preparation of dynamite is________...?

(A) ethyl alcohol
(B) glycerol

(C) glycol
(D) methyl alcohol

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Lack of increase in pollution is due to _____...?

(A) Decreased industrial activity
(B) Increased deforestation

(C) Increased use of fossil fuels
(D) Lack of environmental regulations

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