Which of the following can be used to reduce friction between moving parts of machines...? Mcqs

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Which of the following can be used to reduce friction between moving parts of machines...?

(A) Sand
(B) Grease

(C) Gears
(D) Screws

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One of the following ways of expressing the concentration of a solution does not depend on temperature. It is__________...?

(A) Molarity
(B) Molality

(C) Normality
(D) Formality

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In which group would you place human beings...?

(A) Herbivores
(B) Carnivores

(C) Omnivores
(D) None

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Which liquid is used in an aneroid barometer...?

(A) Mercury
(B) Alcohol

(C) Water
(D) None

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A form of energy which can be found in the nucleus of an atom of an element...?

(A) Kinetic Energy
(B) Potential Energy

(C) Nuclear Energy
(D) Chemical Energy

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The type of coordination through electrochemical signals is _______...?

(A) Nervous
(B) Chemical

(C) Mechanical
(D) All of these

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Which planet is called “Lopsided planet” ...?

(A) Mercury
(B) Venus

(C) Uranus
(D) Saturn

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Liquid can be converted into solid by...?

(A) Heating
(B) Cooling

(C) Both A and B
(D) None

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Analytical solutions to Quadratic equations were introduced by__________...?

(A) Al-Khawarzimi
(B) Al-haitham

(C) IsasacNewton
(D) Pythagoras

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Tartaric Acid is found in _____...?

(A) Orange and Mango
(B) Lemon and Apple

(C) Tamarind and Grapes
(D) All of these

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