Exam Category
Chemistry
Showing 556 questions & PYQs organized by topics.
Chemistry
Acid, Base and Salts
10 Topics
01
HNO3(aq) + KOH(aq) → KNO3(aq) + H2O(l) The above reaction is an…
RRB PYQ MCQ
02
Which of the following is formed by the action of chlorine on…
RRB PYQ MCQ
03
Dissolving an acid or base in water is known as:
RRB PYQ MCQ
04
The pH of a solution is 3. When its pH changes to…
RRB PYQ MCQ
05
Which of the following statements is true about a base in an…
RRB PYQ MCQ
06
Baking powder is a mixture of ________ and ________.
RRB PYQ MCQ
07
In chlor-alkali process, chlor represents chlorine gas and alkali represents:
RRB PYQ MCQ
08
What is/are the product(s) of the reaction between an acid and a…
RRB PYQ MCQ
09
Which of the following statements is/are true/false? A. An acid which is…
RRB PYQ MCQ
10
The gas evolved when sodium carbonate reacts with hydrochloric acid is ________.
RRB PYQ MCQ