Which of the following is used as a lubricant...? Mcqs

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Which of the following is used as a lubricant...?

(A) Graphite
(B) Silica

(C) Iron oxide
(D) Diamond

Latest MCQs

The natural world that surrounds a living and non-living things is called...?

(A) Ecosystem
(B) Environment

(C) Habitat
(D) Biodiversity

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Name the Scientist who stated that matter can be converted into energy...?

(A) Boyle
(B) Einstein

(C) Avogadro
(D) Lavoisier

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Which of following is the smallest endocrine gland in the human body...?

(A) Thyroid gland
(B) Pituitary gland

(C) Adrenal gland
(D) Pineal gland

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Which one of the following is the main culprit in the thinning of Ozone layer in the earth’s stratosphere...?

(A) Carbon dioxide
(B) Chlorofluorocarbons

(C) Nitrogen oxides
(D) Methane

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The potential of pure water is ____...?

(A) Zero
(B) 1

(C) 2
(D) 3

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Gland responsible for heightened emotions is...?

(A) Pituitary gland
(B) Thoiroid gland

(C) Adrenal gland
(D) None of these

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The type of reproduction in which only one parent is involved...?

(A) Asexual Reproduction
(B) Sexual Reproduction

(C) Fragmentation
(D) Binary Fission

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Washing machine is working on the principle of...?

(A) Photoelectric effect
(B) Electric-magnetic induction

(C) Centrifugation
(D) None of these

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Smoke is an solution of _________...?

(A) Solid in solid
(B) Solid in liquid

(C) Solid in gas
(D) Gas in gas

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