A substance which produces hydroxyl ion (OH)- in the aqueous solution is called...? Mcqs

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A substance which produces hydroxyl ion (OH)- in the aqueous solution is called...?

(A) Oxidizing agent
(B) Reducing agent

(C) Base
(D) Acid

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Latest MCQs

In which type of solar eclipse the Sun’s center is covered by the moon, leaving its edges uncovered...?

(A) Partial Solar Eclipse
(B) Total Solar Eclipse

(C) Annular Solar Eclipse
(D) None of the above

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Weather satellites are used for _____...?

(A) Provide weather forecasting
(B) TV signal broadcasting

(C) Telecommunication
(D) Space exploration

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The main categories in which science is divided into, are ____...?

(A) 6
(B) 5

(C) 4
(D) 2

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Those physical quantities, which depend on two or more fundamental quantities or power of the fundamental quantity, are called ____...?

(A) Fundamental Quantities
(B) Physical Constants

(C) Dimensionless Quantities
(D) Derived Quantities

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Yeast is an example of...?

(A) Bacteria
(B) Fungi

(C) Algae
(D) Virus

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How much percentage of water on the earth is freshwater...?

(A) 2.5%
(B) 3.5%

(C) 4.5%
(D) 5.5%

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The Planet which revolves slowly around the Sun is__________...?

(A) Mercury
(B) Mars

(C) Earth
(D) Neptune

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As a result of which treaty, ozone hole in Antarctica is slowly healing...?

(A) Koyoto protocol
(B) Ottawa treaty

(C) Montreal protocol
(D) Oslo Accord

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Constellations referred to as zodiac, are__________...?

(A) Imaginary regions that encompass the path of the planets
(B) Signs of Roman gods

(C) A group of stars
(D) None of these

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