Which type of the following chemical reaction is CaO + CO2 → CaCO2:...? Mcqs

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Which type of the following chemical reaction is CaO + CO2 → CaCO2:...?

(A) Combination Reaction
(B) Decomposition Reaction

(C) Neutralization Reaction
(D) None

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The gas usually filled in the electric bulb is___________...?

(A) Nitrogen
(B) Hydrogen

(C) Carbon dioxide
(D) Oxygen

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The Scientist who told “Heat is a form of Energy” was___________...?

(A) Thomas Alva Edison
(B) Newton

(C) Joule
(D) Kepler

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____________ have no charge...?

(A) Neutrons
(B) Protons

(C) Electrons
(D) None of These

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Anti Diuretic hormone is secreted by one of the following glands...?

(A) Pituitary
(B) Pancreas

(C) Thyroid
(D) None

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Living organisms which derive their food from dead and decaying organic materials called...?

(A) Saprotrophs
(B) Parasites

(C) Predators
(D) Producers

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The protein content of edible portion of egg is___________...?

(A) 13 %
(B) 13.3%

(C) 14 %
(D) 14.5%

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Which four planets are also called the terrestrial planets...?

(A) Inner planets (Mercury, Venus, Earth, and Mars)
(B) Outer planets (Jupiter, Saturn, Uranus, and Neptune)

(C) Inner planets (Mercury, Venus) and outer planets (Uranus, Neptune)
(D) Inner planets (Earth, Mars) and outer planets (Jupiter, Saturn)

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The vitamin Folate works together with __________ to produce new red blood cells...?

(A) Vitamin D
(B) Vitamin A

(C) Vitamin B-12
(D) None of the above

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Which of the following acid is used in Ink...?

(A) Valeric
(B) Acetic

(C) Formic
(D) Tannic

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