A temporary magnet should be made from _______...? Mcqs

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A temporary magnet should be made from _______...?

(A) Copper
(B) Tin

(C) Iron
(D) None

Latest MCQs

Copper can be converted into gold by ...?

(A) Artificial radioactivity
(B) heating

(C) Electroplating
(D) Chemical reaction

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A substance which increases the efficiency of a catalyst is termed as:...?

(A) Promoter
(B) Activator

(C) Retarder
(D) Super catalyst

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Which pigment is responsible for the red color inside a watermelon...?

(A) Lycopene
(B) Beta Carotene

(C) Alpha Carotene
(D) All of these

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Second layer of Earth’s atmosphere is__________...?

(A) Stratosphere
(B) Mesosphere

(C) Troposphere
(D) Thermosphere

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A colloidal system in which a liquid is dispersed into a liquid is called_________...?

(A) Percipitate
(B) Gel

(C) Emulsion
(D) Sol

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Atom was a name given by ____________ ...?

(A) Democritus
(B) Bohr

(C) Rutherford
(D) Archimedes

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Silicon is an example of _________...?

(A) No-conductor
(B) Semiconductor

(C) Super Conductor
(D) None of these

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An optical instrument which is used measure the properties of visible light is called...?

(A) Microscope
(B) Telescope

(C) Spectroscope
(D) Oscilloscope

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Terrestrial planets in solar system are made of____________...?

(A) Metal
(B) Rock

(C) Both A and B
(D) None of the above

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