Which are the only two elements on the periodic table that are liquid at room temperature...? Mcqs

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Which are the only two elements on the periodic table that are liquid at room temperature...?

(A) Mercury and Bromine
(B) Carbon and helium

(C) Nitrogen and Hydrogen
(D) Oxygen and Neon

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A _____ is used in submarines to monitor the surface of water....?

(A) Periscope
(B) Telescope

(C) Kaleidoscope
(D) Binoculars

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The energy stored in a dam is___________...?

(A) Kinetic energy
(B) Electrical energy

(C) Potential energy
(D) None of these

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Human blood is divided into _____ main groups....?

(A) 4
(B) 2

(C) 3
(D) 1

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Plants are divided into how many main groups...?

(A) 3
(B) 4

(C) 2
(D) 1

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A man presses more weight on earth at___...?

(A) Sitting position
(B) Standing Position

(C) Lying Position
(D) None of these

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Who discovered the Solar system ...?

(A) Copernicus
(B) Newton

(C) Galileo
(D) Kepler

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When the magnet is suspended freely, its north and south poles are always pointed towards...?

(A) North and South poles of earth respectively
(B) North and South poles of earth in the opposition direction

(C) East and West of earth respectively
(D) East and West of earth in opposite direction

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A group of stars in the sky that, when viewed from Earth, create an outline of some recognizable shape or pattern is called ___...?

(A) Constellation
(B) Nebula

(C) Asterism
(D) Galaxy

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The instrument which i specially design for recording earth quake wave is called seismograph which measure earth quake waves on a ____________...?

(A) Diatonic scale
(B) Fahrenheit Scale

(C) Richter scale
(D) Celsius Scale

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