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 general formula for alkanes is _____...?

(A) CnH2n
(B) CnH2n+1

(C) CnH2n+2
(D) CnH2n-1

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_________ is the atmospheric layer that absorbs most of the ultraviolet radiation that Earth receives from the Sun....?

(A) Troposphere
(B) Stratosphere

(C) Mesosphere
(D) Ionosphere

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Disease beri beri is because of___________...?

(A) Lack of green vegetables in diet
(B) Use of milled rice

(C) Deficiency of calcium in bones
(D) Poor use of citrus fruits

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The term xerostomia refers to_________...?

(A) dry skin
(B) dry mouth

(C) dry nose
(D) dry head

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Among the following, which is not present in plant cell...?

(A) Cell Membrane
(B) Cytoplasm

(C) Nucleus
(D) Small Vacuole

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The Mirror used in the Automobiles are___________...?

(A) Concave
(B) Convex

(C) Plains
(D) Reflective

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The carbohydrates which contain the aldehyde group are called...?

(A) Saccharides
(B) Ketoses

(C) Pentoses
(D) Aldoses

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According to the definition of 1 KWh, a 100 watt bulb consumes one unit of electricity in_________...?

(A) 2 hours
(B) 5 hours

(C) 8 hours
(D) 10 hours

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Which among the following is a good conductor of heat...?

(A) Wood
(B) Plastic

(C) Paper
(D) Copper

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