Advertisements
Advertisements
प्रश्न
Select the odd one out and justify your answer.
Fe, Pb, Al and Zn
Advertisements
उत्तर
Pb
Lead reacts with dilute sulphuric acid or HCl and forms an insoluble coating of lead sulphate or lead chloride.
The others react with dilute sulphuric acid or HCl to liberate hydrogen.
APPEARS IN
संबंधित प्रश्न
Write a balanced equation for the following:
Iron reacts with dil. HCl
From the knowledge of activity series, name a metal which shows the following properties:
It forms a base which is insoluble in water.
Hydrogen can be prepared with the metal zinc by using:
acid
Give an equation.
Give an equation to express the reaction between:
Steam and red hot iron
Choose the correct option:
Hydrogen is evolved by the action of cold dil. HNO3 on
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.
Which metal gives hydrogen with all of the following: water, acids, alkalis?
Name the following.
A metal below iron but above copper in the activity series of metals which has no reaction with water.
