Advertisements
Advertisements
Question
Give reason for the following:
A pop sound produced when hydrogen is burnt?
Advertisements
Solution
Impure hydrogen gas burns in air with a pop sound. This is because of the presence of impurities in it.
APPEARS IN
RELATED QUESTIONS
Indicate which of the following statement is true and which is false:
The hydrogen molecule is monovalent.
Hydrogen is combustible as well as a supporter of combustion.
Hydrogen is a good reducing agent: What do you understand by the above statement? Explain with the help of copper oxide as an example.
Multiple Choice Question
Equal volumes of hydrogen and chlorine are exposed to diffused sunlight to prepare
MULTIPLE CHOICE QUESTIONS
Which is the lightest of all elements?
- hydrogen
- helium
- lithium
- none of these
Give equations for the reactions.
Give a test to differentiate between two gas jars – one containing pure hydrogen and the other hydrogen-air mixture.
Complete and balance the following equations:
Al + NaOH + ____ → ____ + ____
Write balanced equation of the reaction in the preparation of : hydrogen from a solution of potassium hydroxide [other than by electrolysis].
Give a reason for the following.
A mixture of hydrogen and chlorine can be separated by passage through a porous pot.
