- (a)Copper oxide
- (b)Sodium oxide
- (c)Ferric oxide
- (d)Zinc oxide
Acids, Bases and Salts
Appeared in 11 of the 11 available papers.
Appears almost every year — treat as core
Average per paper it appears in · 57 marks in total
59% of this chapter's 51 questions
8 questions carry a figure — practise drawing them
Question-type distribution
- Short answer30
- MCQ12
- Fill in the blank4
- Matching2
- Difference2
- Definition1
Most frequent topics
Showing 25 of 51 matching questions (57 marks).
25 questions
Select the correct option for each of the following questions.
- (a)strong acid
- (b)strong alkali
- (c)weak acid
- (d)weak alkali
- (a)3
- (b)1
- (c)4
- (d)2
- (a)Hydrogen with any metal
- (b)Hydrogen, a non-metal and oxygen
- (c)Hydrogen and a non-metal other than oxygen
- (d)Hydrogen and oxygen only
State one relevant reason for each of the following:
Differentiate between the following pairs based on the information given in the brackets.
Write balanced chemical equations, for the preparation of the given salts. (i) to (iii) by using the methods A to C respectively: A: Neutralization B: Precipitation C: Titration
The pH values of three solutions A, B and C are given in the table. Answer the following questions:

Choose the method of preparation of the following salts, from the methods given in the list: [List: A. Neutralization B. Precipitation C. Direct combination D. Substitution]
Give one word or a phrase for the following statements:
State one relevant observation for each of the following:
Three solutions P, Q and R have pH value of 3.5, 5.2 and 12.2 respectively. Which one of these is a:
Write a balanced equation for the preparation of each of the following salts:
Choose the correct answer from the options given below:
- (a)an acid
- (b)an acid salt
- (c)an alkali
- (d)a salt
Identify the substance underlined, in each of the following cases:
Write a balanced chemical equation for the preparation of each of the following salts:
Fill in the blanks from the choices given in brackets:
Write balanced chemical equations for each of the following:
