An important ore of chromium is ...? Mcqs

Latest MCQs

An important ore of chromium is ...?

(A) Argon
(B) Chromite

(C) Mirage
(D) Diamond

Latest MCQs

A process by which solvent passes through a porous membrane called...?

(A) Filtration
(B) Distillation

(C) Osmosis
(D) Sedimentation

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Vector of Kala-azar disease is___________...?

(A) Sandfly
(B) Dragonfly

(C) Mosquito
(D) Housefly

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What is the method that kills harmful microorganisms and prevents the spread of waterborne diseases such as cholera, dysentery, and typhoid...?

(A) Filtration
(B) Sedimentation

(C) Chlorination
(D) Distillation

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The natural source of hydrocarbon is:___________...?

(A) Crude oil
(B) Biomass

(C) Coal
(D) Carbohydrates

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Permanent hardness of water can be removed by adding __________...?

(A) Chlorine
(B) Washing soda

(C) Bleaching powder
(D) None of these

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A blood alcohol level above ________ will often result in death:...?

(A) 0.10
(B) 0.20

(C) 0.30
(D) 0.41

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If we reverse the direction of electric current, then the direction of the magnetic field will be...?

(A) Reversed
(B) Remain same

(C) Become tangent
(D) Become normal

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Copper can be converted into gold by ...?

(A) Artificial radioactivity
(B) heating

(C) Electroplating
(D) Chemical reaction

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A _____ is used in submarines to monitor the surface of water....?

(A) Periscope
(B) Telescope

(C) Kaleidoscope
(D) Binoculars

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