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प्रश्न
Name:
a gas that is oxidizing as well as a reducing agent.
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उत्तर
Hydrogen gas
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संबंधित प्रश्न
Indicate which of the following statement is true and which is false:
The removal of hydrogen from a substance is called reduction.
Explain the following in term of gain or loss of oxygen with two examples.
Reduction
In the following reaction: A+ + B → A + B+. Write half-reactions for this reaction and name:
- oxidizing agent
- substance oxidized
- reducing agent
Complete and balance the following equation:
CuO +__________→ Cu +___________
State a reason why, when hydrogen is passed over heated copper oxide, the resultant product formed, differs in colour from the original reactant.
\[\ce{MnO2 + 4HCl -> + 2H2O + Cl2}\]
Identify the substance oxidized in the above equation.
Zinc liberates hydrogen gas when reacted with dilute hydrochloric acid whereas copper does not. Explain why?
Choose the odd one out and write the reason:
Define oxidation number.
Find the oxidation number of the element in the following compound.
Ca in CaH2
