Electron pairs which are not shared by atoms are called...? Mcqs

Latest MCQs

Electron pairs which are not shared by atoms are called...?

(A) Electron pairs
(B) Lone pairs

(C) Bond pairs
(D) Shared pairs

Latest MCQs

Largest Galaxy in the Universe is_________...?

(A) Andromeda Galaxy
(B) Milky-Way

(C) Spiral Galaxy
(D) Horseshoe Galaxy

Latest MCQs

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

(A) Oxidizing agent
(B) Reducing agent

(C) Base
(D) Acid

Latest MCQs

Which of the following is/are the characteristics of reptiles...?

(A) Dry scaly skin
(B) Cold-blooded

(C) Lay eggs on land
(D) Lives in/on water/land

Latest MCQs

A radioactive decay can be represented as shown. 91Pa^233 ---> 92U^233 +...... The emitted particle is a/an...?

(A) α-emission
(B) β-emission

(C) γ-emission
(D) Proton

Latest MCQs

Bond which involve 3 shared electron pairs is a ______...?

(A) Double covalent bond
(B) Single covalent bond

(C) Triple covalent bond
(D) None of above

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The water has minimum density at _____...?

(A) O°C
(B) 2°C

(C) 3°C
(D) 4°C

Latest MCQs

Which one is not a renewable energy sources...?

(A) Oil and gas
(B) Solar energy

(C) Nuclear fuel
(D) Wind energy

Latest MCQs

What is the molecular weight of Ammonia (NH3) ________ ...?

(A) 17.031 g/mol
(B) 18.031 g/mol

(C) 19.031 g/mol
(D) 27.033 g/mol

Latest MCQs

Mostly which gases found of the planet Jupiter...?

(A) Hydrogen
(B) Chlorine

(C) Hydrogen and Helium
(D) Neon

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