If 16 grams of oxygen are produced by the electrolysis of water, how many grams of hydrogen are produced at the same time?

If 16 grams of oxygen are produced by the electrolysis of water, how many grams of hydrogen are produced at the same time?
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ANSWER: 2 GRAMS
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Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives (1) Copper at eathode and oxygen at anode. (2) Copper at anode and oxygen at cathode. (3) Copper at cathode and anodes dissolve to give copper. (4) Hydrogen at cathode and oxygen at anode.

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Description : Electrolysis of an aqueous solution of copper sulphate using copper electrodes gives (1) Copper at cathode and oxygen at anode. (2) Copper at anode and oxygen at cathode. (3) Copper at cathode and anodes dissolve to give copper. (4) Hydrogen at cathode and oxygen at anode.

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Hydrogen gas is not produced commercially (for nitrogenous fertiliser manufacture) by (A) Iron-steam reaction (B) Electrolysis of water (C) Steam reforming of naphtha (D) Its cryogenic separation from coke oven gas

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Which one of the following is largest? w) the number of molecules in 2 grams of hydrogen gas x) the number of molecules in 60 grams of lead sulfate y) the number of molecules in 20 liters of oxygen gas at standard temperature and pressure z) the population of the United States

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The electrolysis of molten sodium hydride librates hydrogen gas at the ------------- .

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What substance is produced at the cathode in the electrolysis of molten sodium chloride?

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In an acid base reaction which product is produced along with a salt? (1) Hydrogen gas (2) Oxygen gas (3) Carbon dioxide (4) Water

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An organic compound contain 69% carbon and 4.8% hydrogen, the remaining being oxygen. Calculate the masses of carbon dioxide and water produced when 0.20g of this substance is subjected to complete combustion.

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Which of the following is produced when polyvinyl chloride is burned? w) Hydrogen Cyanide x) Hydrogen Chloride y) Nitrogen Oxide z) Oxygen

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Which of the following is the costliest source of hydrogen needed for ammonia manufacture under Indian condition? (A) Electrolysis of water (B) Cryogenic removal of H2 from coke oven gas (C) Steam reforming of naphtha (D) Natural gas cracking

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. The fertiliser plant getting hydrogen by electrolysis of water is situated at (INDIA): (A) Namrup (B) Nangal (C) Rourkela (D) Korba

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Commercial production of hydrogen for the manufacture of nitrogenous fertilisers is done by (A) Steam reforming of naphtha and cracking of natural gas (B) Electrolysis of water (C) Cryogenic separation of hydrogen from coke oven gas (D) All (A), (B) and (C)

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Last Answer : (D) All (A), (B) and (C)

Which of the following is the costliest method for commercial production of hydrogen for ammonia synthesis? (A) H2 separation from coke oven gas(B) Steam reforming of naphtha(C) Cracking of natural gas(D) Electrolysis of water

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Which of the following is the costliest source of getting hydrogen on commercial scale for the manufacture of nitrogenous fertiliser? (A) Coal gasification (B) Steam reforming of naphtha (C) Electrolysis of water (D) Coke oven gas

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.Identify the physical and chemical changes from the following (i)Burning of magnesium in air (ii)Electrolysis of water (iii)Tarnishing of silver spoon (iv)Sublimation of iodine -Chemistry

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State as to why: (a) A solution of Na2CO3 is alkaline? (b)alkali metals are prepared by electrolysis of their fused chlorides ? (c)sodium is found to be more useful than potassium ?

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