Which of the following equations represents a decomposition reaction...? Mcqs

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Which of the following equations represents a decomposition reaction...?

(A) A+B → AB
(B) A → AB

(C) AB → AC
(D) AB → A+B

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BCG vaccine is used to produce immunity against___________...?

(A) Whooping cough
(B) Tuberculosis

(C) Virus fever
(D) Smallpox

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What is the chemical formula for Sulfuric acid...?

(A) C2H6O
(B) CaSO4

(C) C2H4O2
(D) H2SO4

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Geiger-Muller counter is used to detect__________...?

(A) Protons
(B) Neutrons

(C) Photons
(D) none

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Chemical reaction requires particular conditions to carry down at proper rate, especially...?

(A) Temperature and Nature
(B) Nature and Pressure

(C) Nature and Structure
(D) Temperature and Pressure

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Most of the living things use O2 to produce ______...?

(A) ATP
(B) Alcohol

(C) Organic acid
(D) Ecological pyramid

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Gas can be converted into liquid by...?

(A) Cooling
(B) Heating

(C) Both A and B
(D) None

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In an oxidation process 14135KJ energy is release, how many moles of glucose consume during this process...?

(A) 1
(B) 3

(C) 5
(D) 10

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Solid can be converted into liquid by...?

(A) Heating
(B) Cooling

(C) Both A and B
(D) None

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A movable pulley is used as ______...?

(A) Speed multiplier
(B) Force multiplier

(C) Direction changer
(D) Load reducer

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