Practice Preparation Of Hydrogen (5) - Hydrogen

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9 questions

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6 sample questions

Question 1.
What acid is commonly used with zinc to produce hydrogen in the lab?
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Think about the common acids used in reactions.
Question 2.
Which apparatus is used to collect hydrogen gas?
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Consider what would collect gases over water.
3Question 3.
What is produced when zinc reacts with dilute hydrochloric acid?
- Hydrogen gas
- Oxygen gas
- Water
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Think about the products of metal-acid reactions.
4Question 4.
True or False: Electrolysis is a method to produce hydrogen in an industrial setting.
- True
- False
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Recall the different methods we discussed.
Question 5.
Calculate the molar amounts of hydrogen produced when 0.65 grams of zinc react with dilute hydrochloric acid.
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Remember the stoichiometry of the reaction.
Question 6.
Design a simple experiment to compare the efficiency of hydrogen production using both the water gas method and electrolysis. What materials would be needed?
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Consider practical limitations and safety measures.

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