The most densest substance on the Earth is __________....? Mcqs

Latest MCQs

The most densest substance on the Earth is __________....?

(A) Platinum
(B) Copper

(C) Steel
(D) Osmium

Latest MCQs

Quantity of fresh air required for a man is 1000 cubic feet of air for every____________...?

(A) 5 minutes
(B) 10 minutes

(C) 15 minutes
(D) 20 minutes

Latest MCQs

It is a secondary plant nutrient...?

(A) Nitrogen
(B) Phosphorus

(C) Sulphur
(D) none

Latest MCQs

The fundamental frequency of a guitar is string 220 Hz, the frequency of the second harmonic is...?

(A) 220 Hz
(B) 440 Hz

(C) 320 Hz
(D) 620 Hz

Latest MCQs

Which of the following vitamin is known as Pantothenic acid...?

(A) vitamin B-1
(B) vitamin B-2

(C) vitamin B-3
(D) vitamin B-5

Latest MCQs

The characteristic of sound by which we can differentiate between shrill and grave sound is _____...?

(A) Loudness
(B) Timbre

(C) Tone
(D) Pitch

Latest MCQs

The ozone molecule contains which type of bonding__________...?

(A) Dative bond
(B) Covalent bond

(C) Both A and B
(D) Ionic Bond

Latest MCQs

Volcanoes can also be caused by _____ so called ‘hot spots’....?

(A) Ash
(B) Gases

(C) Mantle Plumes
(D) None of these

Latest MCQs

What is a hypothesis...?

(A) The same thing as an unproven theory
(B) A tentative explanation that can be tested and is falsified

(C) A verifiable observation
(D) A fact based on quantitative data that is falsified

Latest MCQs

What is the molecular formula for Nitric acid ________ ...?

(A) HNO2
(B) HNO3

(C) HN2O2
(D) H2NO4

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