A ‘breath test’ used by traffic police to check drunken driving uses ____...? Mcqs

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A ‘breath test’ used by traffic police to check drunken driving uses ____...?

(A) Turmeric on filter paper
(B) Silica gel coated with silver nitrate

(C) potassium permanganate-sulphuric acid
(D) Potassium dichromatic-sulphuric acid

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Thermal energy transfer required per unit mass to increase the temperature by 1°C or 1 K is called...?

(A) Latent heat of Vaporization
(B) Specific heat capacity

(C) Latent heat of fusion
(D) Thermal capacity

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What is the name of that system, which uses radioactivity to decide the period of materials of-pre-historic period ...?

(A) Radium dating
(B) Uranium dating

(C) Carbon dating
(D) Deuterium dating

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Which mineral is required in a lesser amount for body function and is also part of bones...?

(A) Calcium
(B) Phosphorus

(C) Potassium
(D) Magnesium

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Which one of the following is most penetrating...?

(A) Electron
(B) Proton

(C) Alpha particle
(D) Neutron

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According to quantum theory of light, photons are _______...?

(A) Waves
(B) Particles

(C) Energy packets
(D) Electromagnetic

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Severe deficiency of Vitamin D results in __________....?

(A) scurvy
(B) rickets

(C) night blindness
(D) None of these

Latest MCQs

What is the most abundant form of matter in the universe...?

(A) Plasma
(B) Liquid

(C) Gas
(D) Solid

Latest MCQs

What is the element required for solar energy conversion ______...?

(A) Ultra pure carbon
(B) Silicon

(C) Beryllium
(D) Tantalum

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How many types of nutrients are there...?

(A) 1
(B) 2

(C) 3
(D) None of These

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