In BTU system, one BTU is equal to__________...? Mcqs

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In BTU system, one BTU is equal to__________...?

(A) 2055 Joule
(B) 1155 Joule

(C) 2155 Joule
(D) 1055 Joule

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Radon is___________...?

(A) germon radio
(B) radio active gas

(C) artificial fibre
(D) an explosive

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What percentage of plasma is composed of water...?

(A) 70%
(B) 80%

(C) 90%
(D) 92%

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An egg sinks in soft water but floats in a concentrated solution of salt because...?

(A) egg absorbs salt from the solution and expands
(B) albumin dissolves in salt solution and egg becomes lighter

(C) the density of salt solution exceeds the density of eggs
(D) water has high surface tension

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Myopia is a defect of Human eye. it can be corrected by using a lens called...?

(A) Convex lens
(B) Concave lens

(C) Cylindrical lens
(D) Plano convex lens

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Which Planet has purple rocks according to NASA ...?

(A) Jupitar
(B) Neptune

(C) Earth
(D) Mars

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For which system does the equilibrium constant, Kc has units of concentration....?

(A) N2(g) + 3H2(g) ⇌ 2NH3(g)
(B) N2(g) + 02(g) ⇌ 2NO

(C) H2(g) +12(g) ⇌ 2HI(g)
(D) CO2(g) + H3(g) ⇌ CO + H2O(l)

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Removal of extra liquid water is _____...?

(A) Exudation
(B) Guttation

(C) Respiration
(D) Transpiration

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How many proton and neutron are present in the nucleus of Tritium isotope...?

(A) 2 and 1
(B) 1 and 2

(C) 3 and 2
(D) 4 and 1

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The chief constituents of gobar gas is_________...?

(A) Methane
(B) Oxygen

(C) Hydrogen
(D) Carbon monoxide

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