How many major gases have been used in re​frig​er​a​tors since its invention...? Mcqs

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How many major gases have been used in re​frig​er​a​tors since its invention...?

(A) 2
(B) 3

(C) 4
(D) 5

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Which of following is not a digestive enzyme in human body...?

(A) Pepsin
(B) Trypsin

(C) Gastrin
(D) Ptyalin

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Cancer that does not form a tumor....?

(A) metastatic breast cancer
(B) leukemia

(C) lung cancer
(D) bladder cancer

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The turn ratios of a transformer is 10. It means ______...?

(A) Is = 10 Ip
(B) Np - 10Ns

(C) Ns = 10 Np
(D) Vs = 10 Vp

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Which type of climates of world has dry summer & wet winter ...?

(A) Western European type
(B) Mediterranean type

(C) Equatorial type
(D) Tundra type

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What is the Chemical formula of Zinc Hydroxide _________ ...?

(A) Zn(OH)2
(B) ZNO2

(C) Zn2(OH)3
(D) ZnOH

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NH3 can be a base according to ______...?

(A) Arrhenius theory
(B) Bronsted-Lowery theory

(C) Lewis theory
(D) Both b and c

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When a substance is dissolved in a liquid and no new substance is formed. What will these substances are called...?

(A) Solute
(B) Solution

(C) Compound
(D) None

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What is the body temperature of a normal man...?

(A) 81.1 °C
(B) 37.0 °C

(C) 98.6 °C
(D) 21.7 °C

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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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