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

Latest MCQs

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

Latest MCQs

Atomic mass of an element is equal to ______...?

(A) Mass of protons and neutrons
(B) Mass of protons and electrons

(C) Mass of electrons and neutrons
(D) Mass of protons only

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Dyne is a unit of _______...?

(A) Quantity
(B) Force

(C) Pressure
(D) Depth

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Isotopes of an element have the same number of _______...?

(A) Neutrons
(B) Protons

(C) Electrons
(D) Beta rays

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Who was the first to measure the earth’s circumference...?

(A) Eratosthenes
(B) Galileo

(C) Copenicus
(D) Ptolemy

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E.coli is an example of...?

(A) Algae
(B) Fungi

(C) Bacteria
(D) Virus

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Larva of Frog is also called...?

(A) Spawn
(B) Froglet

(C) Tadpoles
(D) Adult

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What is the major source of release of direct pollutants in air pollution...?

(A) Air
(B) Fuel

(C) Gas
(D) None

Latest MCQs

The photo-receptors in the eye are present in___________...?

(A) Cornea
(B) Retina

(C) Iris
(D) Sclera

Latest MCQs

The shielding effect across the period _______...?

(A) Increases
(B) Decrease

(C) Moderate
(D) Same

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