Advertisements
Advertisements
प्रश्न
Name the following.
The salt formed when aluminium reacts with potassium hydroxide, during the preparation of hydrogen from alkalis.
Advertisements
उत्तर
Potassium metal aluminate
APPEARS IN
संबंधित प्रश्न
From the knowledge of activity series, name a metal which shows the following properties
It reacts readily with cold water
Hydrogen can be prepared with the metal zinc by using:
acid
Give an equation.
A small piece of calcium metal is put into a small trough containing water. There is effervescence and white turbidity is formed.
Name the gas formed in the reaction. How would you test the gas?
A small piece of calcium metal is put into a small trough containing water. There is effervescence and white turbidity is formed.
Write an equation for the reaction.
Which metal is preferred for collecting hydrogen from steam? Write the balanced equation for the case.
What do you observe when hydrogen gas is passed through a soap solution?
Select the odd one out and justify your answer.
Fe, Pb, Al and Zn
Give a chemical test to distinguish between the following gases:
Hydrogen chloride and hydrogen sulphide
Using dilute sulphuric acid how would you differentiate between:
Sodium sulphide and sodium carbonate.
How would you identify the gaseous products evolved.
State why hydrogen is not prepared in the laboratory by the action of lead with dilute hydrochloric acid.
