Advertisements
Advertisements
Question
Give reason for the following:
The end of the thistle funnel should be dipped under acid.
Advertisements
Solution
The end of the thistle funnel should be dipped under acid so as to prevent the gas from escaping from the thistle funnel.
APPEARS IN
RELATED QUESTIONS
Multiple Choice Question
The metal which reacts with cold water to produce hydrogen is
Multiple Choice Question
Water gas is a mixture of
For laboratory preparation of hydrogen, give the following:
chemical equation
For laboratory preparation of hydrogen, give the following:
fully-labeled diagram
Hydrogen may be prepared in the laboratory by the action of a metal on an acid.
How would you modify your apparatus to collect dry hydrogen? Which drying agent would you employ for this purpose?
Why are the following metals not used in the lab preparation of hydrogen?
calcium
Starting from hydrogen gas how would you obtain a basic gas.
Give reason for the following:
In the preparation of hydrogen by electrolysis of water – the distilled water used is acidified.
Select the correct options for the following statement:
A metal which reacts with water to give a metallic hydroxide & liberate hydrogen.
Select the correct options for the following statement:
The product formed on combustion of hydrogen in air is ___.
