Advertisements
Advertisements
Question
Hydrogen burns with a ______ flame and ______ sound is heard.
Advertisements
Solution
Hydrogen burns with a pale blue flame and pop sound is heard.
APPEARS IN
RELATED QUESTIONS
Identify in the following reaction (a) the substance oxidised, and (b) the substance reduced:
\[\ce{ZnO + C -> Zn + CO}\]
In the reaction represented by the equation:
\[\ce{MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2}\]
- name the substance oxidised.
- name the oxidising agent.
- name the substance reduced.
- name the reducing agent.
When a magnesium ribbon is heated, it burns in air to form magnesium oxide. Write a balanced chemical equation for this reaction. Name
- substance oxidised, and
- substance reduced.
Name the following:
The process in which oxygen is added or hydrogen is removed.
State, giving reason, whether the substances printed in bold letters have been oxidized or reduced.
Mg + 2HCl → MgCl2 + H2
State whether the following conversion is oxidation or reduction:
K → K+ + e-
Identify the reducing agent in the following reactions
`"Fe"_2"O"_3 + 3"CO" -> 2"Fe" + 3"CO"_2`
Which among the following are physical or chemical change?
Evaporation of petrol
Write a short note on oxidizing and reducing agents.
