Which is used to remove dissolved physical and chemical impurities from water is called ____...? Mcqs

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Which is used to remove dissolved physical and chemical impurities from water is called ____...?

(A) Distillation
(B) Chlorination

(C) Filtration
(D) Sedimentation

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According to the theory of relativity, which of the following always remains constant ...?

(A) Length of an object
(B) Time

(C) Space
(D) Velocity of light

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The products of the reaction between carbon dioxide and water are ______...?

(A) Glucose (C6H12O6) and Nitrogen (N2)
(B) Glucose (C6H12O6) and Oxygen (O2)

(C) Starch (C6H10O5) and Water (H2O)
(D) Cellulose (C6H10O5) and Carbon Monoxide (CO)

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Which of the following is used as a lubricant...?

(A) Graphite
(B) Silica

(C) Iron oxide
(D) Diamond

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Sunsets on Mars are _________...?

(A) Red
(B) Blue

(C) Yellow
(D) Orange

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The process whereby energy is dissipated from the oscillating system is called__________...?

(A) Oscillation
(B) Damping

(C) Resonance
(D) None of these

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Chronometer is invented by________...?

(A) Robert Fulton
(B) Nikola Tesla

(C) Martin Cooper
(D) John Harrison

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A/an _______ provides an incomplete path for the current to flow through....?

(A) Open Circuit
(B) Closed Circuit

(C) Series Circuit
(D) Short Circuit

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The deficiency of vitamin K causes ________ ...?

(A) Loss of appetite
(B) Scurvy

(C) Sterility
(D) Blood clotting disorder

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Cancer can be treated by ...?

(A) Antibiotics & vaccines
(B) Radiotherapy & antibiotics

(C) Chemotherapy & radiotherapy
(D) Antibiotics & Chemotherapy

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