Coke is made by heating coal in the absence of air at__________...? Mcqs

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Coke is made by heating coal in the absence of air at__________...?

(A) 700 °C
(B) 900 °C

(C) 1300 °C
(D) 1700 °C

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The flow of charge that changes direction periodically is called...?

(A) Electric Potential (EP)
(B) Electric Resistance (ER)

(C) Alternating Current (AC)
(D) Direct Current (DC)

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Very small time intervals are accurately measured by the___________...?

(A) Pabsars
(B) White dwarfs

(C) Atomic Clocks
(D) None of these

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Water vapour turns into clouds in the atmosphere when:...?

(A) It rains
(B) The temperature rise

(C) Dew point is reached
(D) Evaporation takes place

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Isotopes of an element have the same number of _______...?

(A) Neutrons
(B) Protons

(C) Electrons
(D) Beta rays

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Tesla is the unit of_________________________...?

(A) Magnetic Field Strength
(B) Electric Field Strength

(C) Gravitational Field Strength
(D) Nuclear Field Strength

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Potassium meta-bisulphite is used as a food preservative for...?

(A) Squash
(B) Tomato Ketchup

(C) Fruit Juices
(D) Pickles

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When the magnitude of Kc is small, indicates ______...?

(A) Reaction mixture contain most of the reactant
(B) Reaction mixture contain most of the product

(C) Reaction mixture contain almost equal amount of reactant and product
(D) Reaction goes to completion

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Lack of _______ causes diabetes...?

(A) Vitamins
(B) Sugar

(C) Insulin
(D) Calcium

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In the absence of sunlight, the entire food chain would become...?

(A) Active and Thrive
(B) Unaffected and Stable

(C) Slow but Survive
(D) Inactive and Collapse

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