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

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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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Infants (children) should be immunized with BCG (Bacille Calmette-Guerin) vaccines against...?

(A) Malaria
(B) Tuberculosis

(C) Measles
(D) Hepatitis

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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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In an oil lamp, the oil rises up in the wick due to...?

(A) Capillary action
(B) Atmospheric pressure

(C) Viscosity of oil
(D) Change in temperature

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Increased quantity and quality of fish production...?

(A) Fisheries
(B) Farming

(C) Animal husbandry
(D) Forestry

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Which animal has four hearts...?

(A) Squid
(B) Octopus

(C) Cuttlefish
(D) Hagfish

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If proton number is 19, electron configuration will be ______...?

(A) 2, 8, 9
(B) 2, 8, 8, 1

(C) 2, 8, 1
(D) 2, 8, 3

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The ratio of pure gold in 18 carat gold is _______________...?

(A) 0.5
(B) 0.9

(C) 0.8.5
(D) 0.75

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Ozone layer prevents ______________ radiation from entering the atmosphere...?

(A) Infra-red
(B) Ultraviolet

(C) X-rays
(D) Gamma rays

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Non-metals of ____ group are gases....?

(A) VI-A
(B) VII-A

(C) VIII-A
(D) VIII-B

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