What is the molecular formula for Ammonia...? Mcqs

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What is the molecular formula for Ammonia...?

(A) NH
(B) NH2

(C) NH3
(D) NH4

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Thermal energy transfer required to change a solid into liquid without changing its temperature is called...?

(A) Latent heat of Fusion
(B) Latent heat of vaporization

(C) Latent heat of boiling
(D) Specific heat capacity

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Which One of the Following Is Not a Greenhouse Gas...?

(A) Methane
(B) Hydrogen

(C) Nitrous oxide
(D) Ozone

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Antares is of the largest known ___________...?

(A) Quasars Star
(B) Pulsars Star

(C) White Dwarfs Star
(D) Red Super-giants Star

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The error caused by improper functioning of instrument is ______...?

(A) Determinant Error
(B) Systematic Error

(C) Indeterminant
(D) A and B

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

(A) Walking
(B) Breaking

(C) Securing knots
(D) Fasteners

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A radioactive nuclide emits a β-particle. The atomic number (proton number) of the nucleus number of ______...?

(A) Stays the same
(B) Decreases by 2

(C) Increases by 1
(D) Decreases by 4

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For being able to see three-dimensional pictures we have to use___________...?

(A) A binocular
(B) A camera

(C) A epidiascope
(D) A stereoscope

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______________ is used for measuring velocity...?

(A) Speedometer
(B) Anemometer

(C) Odometer
(D) Hygrometer

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Coldest point in atmosphere is...?

(A) Tropopause
(B) Mesopause

(C) Exopause
(D) None of these

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