The most abundant element in sea water is...? Mcqs

Latest MCQs

The most abundant element in sea water is...?

(A) Chlorine
(B) Sodium

(C) Sulfur
(D) Magnesium

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Latest MCQs

How many proton is present in the nucleus of Protium isotope...?

(A) 3
(B) 2

(C) 1
(D) 0

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Latest MCQs

Approximate age of sun is _________...?

(A) 4.4 billion years
(B) 4.5 billion years

(C) 4.6 billion years
(D) 4.7 billion years

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Latest MCQs

Our Sun is a star and is the closest star to Earth. The next closer star to Earth is known as ____...?

(A) Sirius
(B) Orion

(C) Alpha Centauri
(D) Andromeda

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Sound waves first enter the ______...?

(A) Eardrum
(B) Cochlea

(C) Ear Canal
(D) Stirrup

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Latest MCQs

Sound travels in the form of waves called...?

(A) Longitudinal Waves
(B) Transverse waves

(C) Electromagnetic waves
(D) Radio waves

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Latest MCQs

Water is a ______...?

(A) Polar solvent
(B) Non-polar solvent

(C) Amphiphatic solvent
(D) Non-polar charged solvent

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Latest MCQs

Chemical formula for Water is _______ ...?

(A) NaAlO2
(B) H2O

(C) Al2O3
(D) CaSiO3

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Latest MCQs

The distance between the optical center and the principal focus is called ____...?

(A) Focal Length
(B) Focal Point

(C) Optical Centre
(D) Centre of Curvature

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Latest MCQs

Rivet is used to fasten _____...?

(A) Soft material with soft material
(B) Hard material with hard material

(C) Soft material with hard material
(D) Hard material with soft material

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