James Chadwick is known for his discovery...? Mcqs

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James Chadwick is known for his discovery...?

(A) Proton
(B) Neutron

(C) Electron
(D) None of these

Latest MCQs

How many neutrons in hydrogen:...?

(A) O
(B) 1

(C) 2
(D) 3

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What was the deadline of Kyoto Protocol for CO₂ limit upto 5,86% from 1990s to:...?

(A) 2020
(B) 2004

(C) 2012
(D) None of these

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Which metal is found in liquid state at room temperature?...?

(A) Iron
(B) Zinc

(C) Aluminum
(D) Mercury

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Bronze is an alloy of...?

(A) Copper and Bronze
(B) Lead and Tin

(C) Copper and Tin
(D) None of these

Latest MCQs

What is most common salt in sea water...?

(A) Calcium barbonate
(B) Potassium Chloride

(C) Sodium Chloride
(D) Magnesium Sulphate

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The most abundant metal in the earth's crust is:...?

(A) Zinc
(B) Copper

(C) Aluminum
(D) Iron

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Which is the first element in the periodic table...?

(A) Hydrogen
(B) Helium

(C) Nitrogen
(D) Carbon

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The freezing point of water on a centigrade scale is...?

(A) 0°C
(B) 1°C

(C) -1°C
(D) 5°C

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Chemical formula of baking soda is ______...?

(A) Na2CO3
(B) K2CIO3

(C) Na2SO4
(D) NaHCO3

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