
\(\text{acidity of an acid depends upon the stability of its conjugate base.}\)
\(\text{Hence, the correct option is (A):}\) \(H _{ C }> H _{ D }> H _{ A }> H _{ B }\)
Method used for separation of mixture of products (B and C) obtained in the following reaction is: 
Which of the following best represents the temperature versus heat supplied graph for water, in the range of \(-20^\circ\text{C}\) to \(120^\circ\text{C}\)? 
Read More: Some Basic Concepts of Chemistry
There are two ways of classifying the matter:
Matter can exist in three physical states:
Based upon the composition, matter can be divided into two main types: