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Latest MCQs

The pH scale is a measure of the acidity or alkalinity of a solution, and it ranges between ____...?

(A) 1 - 10
(B) 1 - 14

(C) 5 - 15
(D) 0 - 12

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Latest MCQs

Which among the following is a good conductor of heat...?

(A) Wood
(B) Plastic

(C) Paper
(D) Copper

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Latest MCQs

The hard, solid rocks, whose composition or texture has been changed by heat or pressure in the Earth are called____________...?

(A) Sedimentary rocks
(B) Metamorphic rocks

(C) Igneous rocks
(D) All of the above

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Latest MCQs

Long-sight defect could be corrected by using __________ lens...?

(A) concave
(B) Convex

(C) diverging
(D) none of these

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Latest MCQs

If pH value is greater than 7, then solution is ______...?

(A) Acidic
(B) Basic

(C) Amphoteric
(D) Neutral

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Latest MCQs

The movement of any solvent across a semipermeable membrane is called__________...?

(A) Osmosis
(B) Cataphoresis

(C) Electrolysis
(D) Electrophoresis

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Latest MCQs

Parkinson is a disease of_________...?

(A) Lungs
(B) Eyes

(C) Brain
(D) Bones

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Latest MCQs

What is the name of the substance that dissolves the substance...?

(A) Solute
(B) Solvent

(C) Solution
(D) Mixture

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Latest MCQs

The capacitance of capacitors increases when they connected in ____...?

(A) Parallel
(B) Series

(C) Both A and B
(D) None

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Latest MCQs

Which of the following is helpful for removal of permanent hardness...?

(A) Na2CO3
(B) Ca(OH)2

(C) CaCO2
(D) Na2SO4

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