According to Mosely the chemical properties of elements are the periodic function of their...? Mcqs

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According to Mosely the chemical properties of elements are the periodic function of their...?

(A) Atomic Size
(B) Atomic Mass

(C) Atomic Radius
(D) Atomic Number

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How many major gases have been used in re​frig​er​a​tors since its invention...?

(A) 2
(B) 3

(C) 4
(D) 5

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Kaleidoscope operates on the principle of multiple reflections, where several mirrors are placed at an angel to one another ____...?

(A) 60°
(B) 45°

(C) 30°
(D) 15°

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The sample may be solid, liquid, gas or a _______ in qualitative analysis....?

(A) Mixture
(B) Compound

(C) Differentiate
(D) Substance

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What is the substance that causes undesirable change to the environment...?

(A) Climate Change
(B) Pollution

(C) Pollutant
(D) None

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vitamin D is chemically know as_________ ...?

(A) Retinol
(B) Calciferol

(C) Tocopherol
(D) None of these.

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Where would you find a Eustachian Tube...?

(A) In the Brain
(B) In the Lung

(C) In the Ear
(D) In Stomach

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Which colour has largest wavelength in the spectrum of white light...?

(A) Violet
(B) Green

(C) Red
(D) Blue

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The continuous flow of electrons is made possible by a device called...?

(A) Cathode
(B) Electron gun

(C) Anode
(D) Filament

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Vitamin C is essential for___________...?

(A) Appetite
(B) Growth & repairing of tissues

(C) Muscles
(D) Brain

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