Advertisements
Advertisements
प्रश्न
State, giving reason, whether the substances printed in bold letters have been oxidized or reduced.
Cl2 + H2S → 2HCl + S
उत्तर
Chlorine undergoes reduction by the addition of hydrogen to form HCl.
APPEARS IN
संबंधित प्रश्न
Write the chemical formula of rust.
Fill in the following blanks with suitable words:
The addition of hydrogen to a substance is called ........ whereas removal of hydrogen is called .......
Hydrogen burns with a ______ flame and ______ sound is heard.
Define oxidation.
A metal oxide that is reduced by hydrogen is
Select the correct answer from the symbol in the bracket.
The element, which like hydrogen is a strong reducing agent.
Identify the oxidising agent (oxidant) in the following reactions
`2"Mg" + "O"_2 -> 2"MgO"`
During the reaction of some metals with dilute hydrochloric acid, following observations are made.
Some bubbles of a gas are seen when lead (Pb) is reacted with the acid.
Explain this observation giving suitable reason.
What happens when zinc granules are treated with dilute solution of H2SO4, HCl, HNO3, NaCl and NaOH Also write the chemical equations if reaction oçcurs.
The metallic oxide which can be reduced by using common reducing agents is ______.
