Soap is prepared by boiling caustic soda with ___________...? Mcqs

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Soap is prepared by boiling caustic soda with ___________...?

(A) Alcohol
(B) Kerosene oil

(C) Glycerine
(D) Fats

Latest MCQs

A convex mirror always ___________ ...?

(A) Forms a real image
(B) Forms a virtual image

(C) Forms an inverted image
(D) Produces a larger image

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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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Acid deposition causes ______________________...?

(A) the greenhouse effect to lessen
(B) lakes and forests to die

(C) acid indigestion in humans
(D) all the above are correct

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

(A) Copper
(B) Tin

(C) Iron
(D) None

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The part of an eye acting as a aperture of camera is _____...?

(A) Iris
(B) Pupil

(C) Cornea
(D) Retina

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A solution that contain solid solute into liquid solvent is called...?

(A) Solids in gas
(B) Liquids in solids

(C) Solids in solids
(D) Solids in liquid

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Animals which are at the risk of extinction in future called...?

(A) Vulnerable
(B) Extinct

(C) Threatened
(D) Endangered

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In 1869 Mandeleev put forward his periodic law about _____...?

(A) Atomic Number
(B) Chemical properties

(C) Physical properties
(D) Atomic Mass

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