Q 1. A solution of a substance is used for whitewashing.
(i) Name the substance ‘X’ and write its formula
The substance ‘X’ is calcium oxide and its formula is CaO.
CBSE Class 10 Second Board Exams 2026: LOC schedule out; fees, guidelines for improvement exam
CBSE 2026 Exam LIVE: Class 10 social science paper 'balanced', students likely to 'score well'; analysis
CBSE Class 10 Hindi Paper Analysis: Students find exam moderate, balanced, ‘student-friendly’
Create Your Account
To keep connected with us please login with your personal information by phone
Dont't have an account? Register Now