In an acidic medium, phenolphthalein is colourless and in a basic medium, it is ____...? Mcqs

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In an acidic medium, phenolphthalein is colourless and in a basic medium, it is ____...?

(A) Green
(B) Blue

(C) Yellow
(D) Pink

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Input, processing, output. and storage are collectively referred to as ______...?

(A) Information processing cycle
(B) Hardware life cycle

(C) Software life cycle
(D) Information technology

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Which Part of Human Eye can be donated...?

(A) Conjunctiva
(B) Iris

(C) Pupil
(D) Cornea

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Balloons are filled with _________ ...?

(A) Nitrogen
(B) Helium

(C) Oxygen
(D) Argon

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The respiratory problem common in smokers is______...?

(A) tuberculosis
(B) Emphysema

(C) Asthma
(D) Cancer

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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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In which of the following, speed of the sound is maximum...?

(A) Gold
(B) Sea water

(C) Air
(D) Space

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

(A) Loudness
(B) Timbre

(C) Tone
(D) Pitch

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The camel has a special water storage space in its...?

(A) Stomach
(B) Hump

(C) Liver
(D) None

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