Carbon dioxide dissolution in water, actually represents solute and solvent combination of _____...? Mcqs

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Carbon dioxide dissolution in water, actually represents solute and solvent combination of _____...?

(A) Liquid-liquid solution
(B) Solid-liquid solution

(C) Gas-liquid solution
(D) Solid-solid solution

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The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing, is ________ ...?

(A) Argon
(B) Xenon

(C) Helium
(D) Krypton

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Big Bang was an explosion that occurred ...?

(A) 10 Billion years ago
(B) 15 Billion years ago

(C) 20 Billion years ago
(D) 25 Billion years ago

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What are the products in the reaction: CH4 + 2O2 → CO2 + 2H2O...?

(A) Methane and Oxygen
(B) Carbon dioxide and Water

(C) Hydrogen and Oxygen
(D) Carbon and Water

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The strength of wave action depends on all these EXCEPT:...?

(A) Currents in the sea
(B) Wind strength

(C) Depth of coastal water
(D) Height of waves

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Which type of wastes are classified as Non-biodegradable waste...?

(A) Waste from the plastic industry
(B) Vegetable waste from farms

(C) Kitchen waste from home
(D) None

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Sound travels fastest in _______...?

(A) Air
(B) Water

(C) Diamond
(D) Steel

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‘Magnetometer’ is used to measure: ______________...?

(A) Air Pressure on Ships
(B) Electromagnetic Force in Space Devices

(C) Changes in the Earth’s Magnetic Field
(D) Changes in Oceanic Current

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Which one is not a renewable energy sources...?

(A) Oil and gas
(B) Solar energy

(C) Nuclear fuel
(D) Wind energy

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During global warming, the percentage of carbon dioxide has ______...?

(A) Remained unchanged
(B) Reduced in atmosphere

(C) Increased in atmosphere
(D) None of these

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