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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The atmospheric air is held to the Earth by...?

(A) gravity
(B) winds

(C) clouds
(D) rotation of the Earth

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Density of Milk is________...?

(A) 1.024 g/cm3
(B) 1.034 g/cm3

(C) 1.044 g/cm3
(D) 1.054 g/cm3

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The cow’s milk contains how much amount of water in terms of percentage...?

(A) 60%
(B) 65%

(C) 72%
(D) 80%

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Distance is a _____ quantity....?

(A) Vector
(B) Scalar

(C) Both a and b
(D) None of these

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Which of the following is a diverse group of hydrophobic molecules...?

(A) Carbohydrates
(B) Lipids

(C) Proteins
(D) Nucleic acids

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Amoeba and paramecium is made up of one cell that’s why it is called unicellular, while plants and animals are made up many cells so we call them...?

(A) Unicellular
(B) Multicellular

(C) Inter cellular
(D) Intra cellular

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Which metal is called “metal of hope”...?

(A) Uranium
(B) Titanium

(C) Gold
(D) Platinum

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Potassium nitrate is used in__________...?

(A) Medicine
(B) Fertilizer

(C) Salt
(D) Glass

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When sound waves travel from air to water which of the following quantities remains unchanged...?

(A) Speed
(B) Frequency

(C) Intensity
(D) Wavelength

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