Two fluorine atoms share one electron each in their outermost shell to achieve electronic configuration of ______...? Mcqs

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Two fluorine atoms share one electron each in their outermost shell to achieve electronic configuration of ______...?

(A) Xe
(B) Ar

(C) Kr
(D) Ne

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A quantity that can be measured is called ____...?

(A) Physical Quantity
(B) Physical Constant

(C) Mathematical Quantity
(D) Standard Quantity

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Mass extinction of dinosaurs occurred in which period...?

(A) Triassic
(B) Jurassic

(C) Cretaceous
(D) Permian

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The most abundant element in the Earth’s crust is __________...?

(A) Oxygen
(B) Hydrogen

(C) Carbon Dioxide
(D) Silicon

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Which one of the following is not a disadvantage of friction...?

(A) Energy loss
(B) Fasteners

(C) Wear and Tear
(D) Speed limit

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Sensitive layer of the eye is...?

(A) Choriods
(B) Sclerotic

(C) Retina
(D) Cornea

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Solution is a kind of...?

(A) Mixture
(B) Element

(C) Compound
(D) None

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Sea water (Salt water) freezes at ...?

(A) Same temperature as fresh water.
(B) Slightly higher temperatures than fresh water.

(C) Slightly higher temperature than fresh water.
(D) Sea water does not freeze

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Vertebrates are divided into how many main groups based on temperature regulation...?

(A) 2
(B) 3

(C) 4
(D) 5

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Diffusion is a _____ process, which does not require energy input....?

(A) Active
(B) Fast

(C) Passive
(D) Slow

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