Carbon dioxide was discovered by_______...? Mcqs

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Carbon dioxide was discovered by_______...?

(A) Niels Bohr
(B) Amedeo Avogadro

(C) Joseph Black
(D) None of Above

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Percentage of water in a tomato is__________...?

(A) 94%
(B) 90%

(C) 47%
(D) None of these

Latest MCQs

___________are negatively (-) charged particles of an atom...?

(A) Protons
(B) Neutrons

(C) Electrons
(D) None of These

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Which of the following occurs when light passes through a substance unchanged...?

(A) Transmission
(B) Reflection

(C) Absorption
(D) Refraction

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A change in physical appearance or state of a substance is called ____...?

(A) Chemical Change
(B) Physical Change

(C) Nuclear Change
(D) Biological Change

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Stage of meiosis in which centromeres shorten and the paired chromatids are pulled away from one another...?

(A) Anaphase-II
(B) Metaphase-II

(C) Telophase-II
(D) Prophase-II

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A substance that can donate a pair of electron to form coordinate covalent bond...?

(A) Lewis acid
(B) Lewis base

(C) Bronsted—Lowery acid
(D) Bronsted-Lowery base

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Sensitive layer of the eye is...?

(A) Choriods
(B) Sclerotic

(C) Retina
(D) Cornea

Latest MCQs

Rainbow is the best example of _____...?

(A) Refraction of light
(B) Dispersion of light

(C) Spectrum of white light
(D) Reflection of light

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In how many days pluto revolves around the sun _____...?

(A) 88 years
(B) 248 years

(C) 12 years
(D) 84 years

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