Advertisements
Advertisements
प्रश्न
Complete the following word equation:
Calcium + water → calcium hydroxide + _________
Advertisements
उत्तर
Calcium + water → calcium hydroxide + hydrogen
संबंधित प्रश्न
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.
Write a balanced equation for the reaction named metal with (i) boiling water (ii) steam.
Which metal gives hydrogen with all of the following: water, acids, alkalis?
Correct the following statement:
Very dilute nitric acid reacts with iron to produce hydrogen.
Correct the following statement:
Conc. H2SO4 reacts with zinc to liberate hydrogen.
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
Using dilute sulphuric acid how would you differentiate between:
Copper and magnesium
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.
Name the following.
A metal below iron but above copper in the activity series of metals which has no reaction with water.
