
Name the type of the reaction between quick lime and water giving calcium hydroxide. (Decomposition / Combination / Displacement)

Important Questions on Chemical reactions and Equations




A metal compound A reacts with dilute hydrochloric acid to produce effervescence. The gas evolved extinguishes a burning candle.
Write a balanced equation for the reaction if one of the compounds formed is calcium chloride.


Choose the method of preparation of Iron (II) sulphate, from the methods given in the list:
[List: A. Neutralization B.Precipitation C.Direct combination D.Substitution]

Which of the following are combination reaction?
(i)
(ii)
(iii)
(iv)


Choose the method of preparation of Iron (III) chloride, from the methods given in the list:
[List: A. Neutralization B.Precipitation C.Direct combination D.Substitution]



Consider the following equation of the chemical reaction of a metal M
The equation represents:-

Which of the following is a reversible reaction?

This reaction is

List- (Chemical reactions) | List- (Type of chemical reactions) |
Addition | |
Elimination | |
Redox | |
Substitution |

Match the items of the column -I with column-II and choose the correct option.


Calcium oxide reacts vigorously with water to produce slaked lime.
This reaction can be classified as:
(A) Combination reaction (B) Exothermic reaction
(C) Endothermic reaction (D) Oxidation reaction
Which of the following is the correct answer?


