CBSE Board Students Helpline

Class X - CBSE Chemistry (Science)  NCERT Class 10, Science Textbook - Chapter 2, Acids, Bases and Salts   Science - Chemistry Notes Some Points to Remember Sample Questions Q1: Define (i) Acid (ii) Bases (iii) Salt Q2: What is Universal Indicator? Q3: Why is it advised to clean mouth after consuming food? or       pH change is a cause for toot decay. Explain. Q4: How sodium hydroxide