Science MCQ Question
विज्ञान ऑनलाइन मॉक टेस्ट
Results
#1. Which of the following is a chemical change?
Explanation: Burning produces new substances — carbon dioxide and ash.
#2. The gas responsible for depletion of ozone layer is:
Explanation: CFCs break down ozone molecules in the upper atmosphere.
Get your Exam Complete Preparation
Notes/Mock Test/PYQs/Practice Set
Call/WhatsApp: 76 3131 4948



