Weekly 24 Questions 🌐 English & Tamil

Acid, Base and Salt - TNPSC MCQ Practice Quiz (Samacheer Kalvi Based)

Practice 12 TNPSC-style Multiple Choice Questions on Acid, Base and Salt based on the Samacheer Kalvi Chemistry syllabus. Covers pH scale, indicators, types of acids and bases, salts, neutralisation reactions and everyday applications for TNPSC Group 1, Group 2, Group 4 and VAO exams.

Curated by: Janani — Content Editor, TNCareerHub
Expert-reviewed questions
13 attempts so far
Updated:
English தமிழ்

Showing English questions. Switch to Tamil →

Q1 Which ion do acids release when dissolved in water?

Easy

Q2 The pH scale, used to measure hydrogen ion concentration, was devised by which scientist and in which year?

Easy

Q3 Which of the following has the lowest pH value?

Medium

Q4 Baking soda, commonly used in cooking and as an antacid, is chemically known as:

Medium

Q5 Washing soda, used mainly as a cleaning agent, is chemically represented as:

Medium

Q6 Consider the following statements about Plaster of Paris: 1. It is obtained by heating gypsum at 373 K. 2. Its chemical formula is CaSO4.2H2O. Which of the statements given above is/are correct?

Hard

Q7 Bleaching powder, widely used as a disinfectant, is chemically known as:

Medium

Q8 Which of the following is an example of an acidic salt, formed from a strong acid and a weak base?

Hard

Q9 Toothpaste is generally __________ in nature, which helps prevent tooth decay by neutralising the acid formed by bacteria in the mouth.

Easy

Q10 Acid rain, which has a pH below 5.6, is primarily caused by which pair of atmospheric gases?

Medium

Q11 Antacids such as Milk of Magnesia are used to relieve acidity because they contain which basic compound?

Hard

Q12 Which indicator remains colourless in an acidic medium but turns pink in a basic medium?

Medium