The color of a sedimentary rock is often mostly determined by___________...? Mcqs

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The color of a sedimentary rock is often mostly determined by___________...?

(A) Zinc
(B) Iron

(C) Calcium
(D) None of these

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Periods in the periodic table are ____...?

(A) Vertical columns
(B) Horizontal rows

(C) Diagonal lines
(D) Blocks

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Halley’s Comet is the only known short-period comet that is consistently visible to the naked eye from Earth, appearing every 72–80 years. It last appeared in the inner parts of the Solar System in 1986 and will next appear in mid-_________...?

(A) 2065
(B) 2061

(C) 2040
(D) None of These

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The SI standard of time is based on_____________...?

(A) the daily rotation of the earth
(B) the frequency of light emitted by Kr86

(C) the yearly revolution of the earth about the sun
(D) a precision pendulum clock

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Which among the following is correct about Saliva of a Healthy Human...?

(A) It is slightly acidic
(B) It is slightly saline

(C) It is slightly alkaline
(D) It is neutral

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Which of the following is not an Arrhenius acid...?

(A) HCl
(B) CO2

(C) HNO3
(D) H2SO4

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The diarrhea and typhoid are caused by which infection...?

(A) Fungal
(B) Viral

(C) Bacterial
(D) None

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There is no connection of supernova explosion with___________...?

(A) Cosmic rays
(B) Pulsars

(C) The formation of heavy elements
(D) Quasars

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The value of Kc increases when ______...?

(A) [Product] is less
(B) [Product] is more

(C) [Reactant] is more
(D) [Reactant = product]

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Which one of the following is also called Stranger Gas...?

(A) Neon
(B) Argon

(C) Xenon
(D) Nitrous oxide

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