The unit of Kc for reaction N2 + O2 ⇌ 2NO...? Mcqs

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The unit of Kc for reaction N2 + O2 ⇌ 2NO...?

(A) mol dm^-3
(B) mol^-2 dm^6

(C) mol^-1dm3
(D) No unit

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Which gas was discovered on the sun about 151 years ago during total solar eclipse...?

(A) Hydrogen
(B) Helium

(C) Nitrogen
(D) Flourine

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The set of colours obtained in seven different colours components way is called...?

(A) Rainbow
(B) Spectrum of Light

(C) Dispersion
(D) Prism

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Which of the following is the second kind of lever...?

(A) A nail cutter
(B) A fishing rod

(C) Pliers
(D) Claw hammer

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Infants (children) should be immunized with BCG (Bacille Calmette-Guerin) vaccines against...?

(A) Malaria
(B) Tuberculosis

(C) Measles
(D) Hepatitis

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A form of energy which can be found in the nucleus of an atom of an element...?

(A) Kinetic Energy
(B) Potential Energy

(C) Nuclear Energy
(D) Chemical Energy

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Maximum biological damage is caused by ____________...?

(A) Gamma rays
(B) Alpha rays

(C) Beta rays
(D) Microwaves

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An objects that allow light to travel through them are called...?

(A) Transparent
(B) Translucent

(C) Opaque
(D) None

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In an MRI machine, which one of the following is used...?

(A) Sound wave
(B) ‘X’-ray

(C) Ultra-sound wave
(D) Magnetic wave

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Which of the following elements is not present abundantly in earth’s crust ...?

(A) Silicon
(B) Radium

(C) Aluminum
(D) Carbon

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