First Atomic theory was proposed by...? Mcqs

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First Atomic theory was proposed by...?

(A) John Dalton
(B) E.Rutherford

(C) De Broglie
(D) D.I.Mendeleef

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Latest MCQs

What are the three subatomic particles of an atom...?

(A) Protons,Neutrons & Electrons
(B) Protons,Nucleus & Electrons

(C) Protons,Nucleus & Elements.
(D) Elements,Nucleus & Protons

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Charge carriers in a metal are electrons rather than protons because electrons are...?

(A) Smaller
(B) Negative

(C) Loosely bound
(D) All of the above

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Which of the following is a Non Metal that remains Liquid at room temperature...?

(A) Phosphorous
(B) Bromine

(C) Chlorine
(D) Helium

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Which of the following is not a solid sublime material...?

(A) Glucose
(B) Sodium Chloride

(C) Iodine
(D) Camphor

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During winter in cold countries, the __________ is mixed to melt the ice on the icy roads....?

(A) Salt
(B) Chlorine

(C) Carbon dioxide
(D) Water

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DNA is _____________...?

(A) Acetic Acid
(B) A class of nucleic acids

(C) Citric Acid
(D) None of these

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Latest MCQs

Dr. James Watson discovered the structure of DNA in __________...?

(A) 1953
(B) 1955

(C) 1957
(D) 1857

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Cobalt is a material which is ...?

(A) Strongly attracted by a magnet
(B) Not attracted by a magnet

(C) not a magnet
(D) Weakly attracted by a magnet

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Latest MCQs

Electric current is measured by ____...?

(A) Ammeter
(B) Voltmeter

(C) Ohmmeter
(D) Multimeter

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