Hydrogen and s - block Elements
Telangana Open School (TOSS) · Class 12 · Chemistry
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Quick Quiz: Hydrogen and s - block Elements
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What is the electronic configuration of hydrogen?
Heavy water is chemically:
Hydrogen burns in air with a:
Which gas is produced when hydrogen combines with carbon?
Sample Questions
Which of the following is a use of hydrogen?
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Making ammonia
Hydrogen is used in the Haber process to manufacture ammonia.
Which alkali metal forms only monoxide when burned in air?
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Lithium
Lithium forms only lithium oxide (Li₂O) on combustion in air.
What is the oxidation state of oxygen in hydrogen peroxide?
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-1
In H₂O₂, oxygen has an oxidation state of -1, intermediate between O₂ (0) and H₂O (-2).
Which of the following is a use of heavy water?
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As a moderator in nuclear reactors
Heavy water slows down neutrons in nuclear reactors and is used as a moderator.
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