Ethyl alcohol was prepared by ______...? Mcqs

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Ethyl alcohol was prepared by ______...?

(A) Ibne-Sina
(B) Al-Razi

(C) Al-Beruni
(D) Jaber bin-Hayan

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An _______ is a slanting surface connecting a lower level to a higher level....?

(A) Lever
(B) Pulley

(C) Inclined Plane
(D) Screw

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Cancer can be treated by ___________...?

(A) Antibiotics & vaccines
(B) Radiotherapy & antibiotics

(C) Chemotherapy & radiotherapy
(D) Antibiotics & Chemotherapy

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The audible range of normal bat ear is ______...?

(A) 20 Hz to 120 kHz
(B) 20 Hz to 20 kHz

(C) 20 kHz to 110 kHz
(D) 20 Hz to 50 KHz

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The gas used in a refrigerator to cool water is___________...?

(A) Nitrogen
(B) Carbon dioxide

(C) Methane
(D) Tetrafluoroethane

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Phobos is the natural satellite of which planet__________ ...?

(A) Mars
(B) Venus

(C) Saturn
(D) Neptune

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Which amongst the following cannot pass through vacuum...?

(A) Light
(B) Radiation

(C) Sound
(D) None of These

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The Lunar eclipse occurs when:...?

(A) Moon is b/w the earth and the sun
(B) Earth is b/w the sun and the moon

(C) Sun is b/w the earth and the moon
(D) Earth is at right angles to the direction of the sun and the moon

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Which two organs glands are affected by malaria...?

(A) Lungs and heart
(B) Spleen and liver

(C) Kidneys and lungs
(D) Heart and brain

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There are ____ types of metabolic reactions....?

(A) Two
(B) Four

(C) Three
(D) Five

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