Advertisements
Advertisements
प्रश्न
Which metal gives hydrogen with all of the following: water, acids, alkalis?
पर्याय
Fe
Zn
Mg
Pb
Advertisements
उत्तर
Zn
APPEARS IN
संबंधित प्रश्न
Hydrogen can be prepared with the metal zinc by using: alkali
Give an equation.
Give an equation to express the reaction between:
Calcium and water
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.
Hydrogen is obtained by displacement from:
- dilute sulphuric acid
- dilute hydrochloric acid
Write equations using zinc and iron.
Why does copper not show similar behavior?
Give reason for the following:
Potassium and sodium are not used for reaction with dilute hydrochloric acid or dilute sulphuric acid in the laboratory preparation of hydrogen.
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?
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
‘Magnesium reacts with very dilute nitric acid at low temperatures liberating hydrogen.’ Give reasons.
