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प्रश्न
What do the following symbols [or formula] denote : 2H ; H2 ; H+. [two atoms, molecule, ion]
उत्तर
2H denotes — 2 atoms of hydrogen
H2 — a molecule of hydrogen
H+ — an ion
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संबंधित प्रश्न
Indicate which of the following statement is true and which is false:
The hydrogen molecule is monovalent.
Indicate which of the following statement is true and which is false:
Hydrogen is combustible as well as a supporter of combustion.
Give a balanced chemical equation for the reaction.
Hydrogen is a good reducing agent: What do you understand by the above statement? Explain with the help of copper oxide as an example.
State four uses of hydrogen:
Multiple Choice Question
Equal volumes of hydrogen and chlorine are exposed to diffused sunlight to prepare
FILL IN THE BLANK
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Hydrogen is dried by passing it through conc. H2SO4.
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Give balanced equation for obtaining hydrogen from cold water using a monovalent active metal.
