A single compound breaks down to form two or more simpler substances are called...? Mcqs

Latest MCQs

A single compound breaks down to form two or more simpler substances are called...?

(A) Combination Reaction
(B) Decomposition Reaction

(C) Neutralization Reaction
(D) Addition Reaction

Latest MCQs

According to the definition of 1 KWh, a 100 watt bulb consumes one unit of electricity in_________...?

(A) 2 hours
(B) 5 hours

(C) 8 hours
(D) 10 hours

Latest MCQs

Permanent hardness of water may be removed by the addition of___________...?

(A) Sodium Carbonate
(B) Alum

(C) Potassium Permanganate
(D) Lime

Latest MCQs

When one atom forms cation by losing electron and other forms anion by accepting that electron then bond form between them is ______...?

(A) Covalent bond
(B) Ionic bond

(C) Coordinate covalent bond
(D) Hydrogen bond

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Which is not the property of gases...?

(A) Gases have definite volume
(B) Gases have Indefinite shape

(C) Gases have Indefinite volume
(D) Gases can be compressed

Latest MCQs

What is chemical symbol for Tungsten...?

(A) Z
(B) T

(C) Tn
(D) W

Latest MCQs

Which of the following is most elastic ...?

(A) Steel
(B) Rubber

(C) Glass
(D) Sponge

Latest MCQs

Sound of frequency below 20 Hz is:___________...?

(A) Audiosonic
(B) Infrasonic

(C) Ultrasonic
(D) Supersonic

Latest MCQs

Which rays are used for sterilization of medical instruments...?

(A) α-rays
(B) β-rays

(C) γ-rays
(D) x-rays

Latest MCQs

Which process is used for purifying a solid...?

(A) Sublimation
(B) Distillation

(C) Filtration
(D) Crystallization

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