The second most abundant metal found in the earth’s crust is_____________...? Mcqs

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The second most abundant metal found in the earth’s crust is_____________...?

(A) Silicon
(B) Aluminium

(C) Calcium
(D) Sodium

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The speed of light with the rise in the temperature of the medium____________...?

(A) Decrease
(B) Increase

(C) Remain the same
(D) First decrease then increase

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Muscle fatigue is caused by the accumulation of___________...?

(A) Uric acid
(B) Lactic acid

(C) Oxalacetic acid
(D) Fyruvie acid

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Which of the following liquids is used in the clinical thermometer...?

(A) Water
(B) Alcohol

(C) Mercury
(D) Oxygen

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Water is a highly effective coolant for a car engine because _________...?

(A) Water is good conductor of heat
(B) Water has very high specific heat capacity

(C) Water boils at a comparatively high temperature
(D) Evaporation of water produces lot of cooling

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______________ is used for measuring velocity...?

(A) Speedometer
(B) Anemometer

(C) Odometer
(D) Hygrometer

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The electricity we used in our homes and schools is called...?

(A) Electric Potential (EP)
(B) Electric Resistance (ER)

(C) Direct Current (DC)
(D) Alternating Current (AC)

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The discovery of neutron became very late because _______ ...?

(A) It does not carry any charge
(B) It does not move

(C) It is a fundamental particle
(D) It is present in nucleus

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The speed of light in vacuum is about...?

(A) 300 Million meters per second
(B) 300 Million meters per hour

(C) 300 Million kilometers per second
(D) 300 Million kilometers per hour

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Carnivores that eat only...?

(A) Animals
(B) Plants

(C) Both A and B
(D) None

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