EPFO EO/AO • General Ability Test • 2021 • Q.51
General ScienceEasy | Medium | Hard
Which one of the following substances, when added to water, will not change the pH?
Syllabus Connection
Chemistry (Concept & Everyday applications): Matter & its nature, physical & chemical changes, acids, bases & salts, metals & non-metals, carbon compounds (fuels & polymers), chemical reactions, everyday chemistry applications. (APFC)
Related PYQs in General Science
2026•Prelims•Paper 1 (GS)
Which of the following statements with regard to genetic medicine is/are correct? 1. Genetic medicines correct/compensate for the faulty genes responsible for disease. 2. Engineered viruses and lipid nanoparticles are used as carriers of the genetic medicine. 3. Genetic medicines alter the entire DNA sequence.
2025•EPFO APFC•General Ability Test
Which one among the following determines the Hardness Index of fresh water ?
2025•EPFO APFC•General Ability Test
Which one among the following is the primary environmental concern associated with permafrost thawing in the Arctic ?
2025•EPFO APFC•General Ability Test
Which one among the following is the primary commercial use of Amines ?
2025•EPFO APFC•General Ability Test
Which one among the following is known as Carbolic acid ?