HARD
9th ICSE
IMPORTANT
Earn 100

For laboratory preparation of hydrogen, give the following:

fully labelled diagram

Important Questions on Study of the First Elements-Hydrogen

HARD
9th ICSE
IMPORTANT
Concise Chemistry Class 9>Chapter 6 - Study of the First Elements-Hydrogen>EXERCISE 6(B)>Q 3
Name the impurities present in hydrogen prepared in the laboratory.
HARD
9th ICSE
IMPORTANT
Concise Chemistry Class 9>Chapter 6 - Study of the First Elements-Hydrogen>EXERCISE 6(B)>Q 3
For laboratory preparation of hydrogen, how can the impurities present in hydrogen be removed?
EASY
9th ICSE
IMPORTANT
Concise Chemistry Class 9>Chapter 6 - Study of the First Elements-Hydrogen>EXERCISE 6(B)>Q 4
For laboratory preparation of hydrogen, which test should be made before collecting hydrogen in a gas jar?
MEDIUM
9th ICSE
IMPORTANT
Concise Chemistry Class 9>Chapter 6 - Study of the First Elements-Hydrogen>EXERCISE 6(B)>Q 5
Why is nitric acid not used in the preparation of hydrogen?
MEDIUM
9th ICSE
IMPORTANT
Concise Chemistry Class 9>Chapter 6 - Study of the First Elements-Hydrogen>EXERCISE 6(B)>Q 6
Why is hot concentrated sulphuric acid not used in the preparation of hydrogen?
HARD
9th ICSE
IMPORTANT
Concise Chemistry Class 9>Chapter 6 - Study of the First Elements-Hydrogen>EXERCISE 6(B)>Q 7
Hydrogen is manufactured by the ‘Bosch Process’. Give the equations with conditions.
HARD
9th ICSE
IMPORTANT
Concise Chemistry Class 9>Chapter 6 - Study of the First Elements-Hydrogen>EXERCISE 6(B)>Q 7
Hydrogen is manufactured by the ‘Bosch Process’. How can you obtain Hydrogen from a mixture of Hydrogen and carbon monoxide?
HARD
9th ICSE
IMPORTANT
Concise Chemistry Class 9>Chapter 6 - Study of the First Elements-Hydrogen>EXERCISE 6(B)>Q 8
Give equations to express the reaction between steam and red-hot iron.