An atom is neutral but when an atom or molecule that carries net electric due to gain or loss of an electron is called an...? Mcqs

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An atom is neutral but when an atom or molecule that carries net electric due to gain or loss of an electron is called an...?

(A) Ion
(B) Molecule

(C) Anion
(D) Cation

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When a saturated solution is diluted, it change into ____...?

(A) Saturated solution
(B) Unsaturated solution

(C) Concentrated solution
(D) Supersaturated solution

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Male birds are ________ colorful than female birds....?

(A) Less
(B) More

(C) Equal
(D) None of these

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Rate of evaporation of a liquid can be increased by _____...?

(A) Increasing humidity
(B) Decreasing temperature

(C) Increasing its boiling point
(D) Decreasing atmospheric pressure

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Scientific name of any organism should be _____ when printed....?

(A) Bold
(B) Italicized

(C) Underlined
(D) Capitalized

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Chemical formula for Water is _______ ...?

(A) NaAlO2
(B) H2O

(C) Al2O3
(D) CaSiO3

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The turn ratios of a transformer is 10. It means ______...?

(A) Is = 10 Ip
(B) Np - 10Ns

(C) Ns = 10 Np
(D) Vs = 10 Vp

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By which process copper is refined ____________...?

(A) Roasting
(B) Oxidation

(C) Zone Refining
(D) Electrolysis

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Periscope is another optical instrument that works on the principle of total ____...?

(A) Refraction
(B) Diffraction

(C) External Reflection
(D) Internal Reflection

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Comets are made mostly of ______________...?

(A) Ice and dust
(B) Dust and lights

(C) Ice, dust and lights
(D) All of the above

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