Advertisements
Advertisements
प्रश्न
Give an equation to express the reaction between:
Calcium and water
Advertisements
उत्तर
Ca + 2H2O ⇋ Ca(OH)2 + H2
APPEARS IN
संबंधित प्रश्न
From the knowledge of activity series, name a metal which shows the following properties
It reacts readily with cold water
Give an equation to express the reaction between:
Steam and red hot iron
Which metal is preferred for collecting hydrogen from Cold water? Write the balanced equation.
Write a balanced equation for the reaction named metal with (i) boiling water (ii) steam.
What do you observe when hydrogen gas is passed through a soap solution?
Give a reason for the following.
Hydrogen is collected by the downward displacement of water and not of air, even though it is lighter than air.
What do you observe when dilute sulphuric acid is added to Zinc granules.
Give a chemical test to distinguish between the following gases:
Hydrogen chloride and hydrogen sulphide
Name the following.
A metal below iron but above copper in the activity series of metals which has no reaction with water.
Name the following.
The salt formed when aluminium reacts with potassium hydroxide, during the preparation of hydrogen from alkalis.
