When we cut sphere, two parts we got and here spherical mirror is formed. But remember, applying silvering colour or agent either the inside or outside surface.

Class 10th Science Session 2022-23 Class 10 Science Terminal Exams MCQ Solutions Class X Science MCQ Extra Questions Answers 10th Science Terminal Exam Based MCQ Extra Questions

Aerobic respiration occurs in mitochondria. Since the process take place in presence of air or oxygen, it is called aerobic respiration.

During inhalation, the air for the respiration is drawn into our body through the nostrils, then it goes into nasal passage. From there, oxygen enters into pharynx, larynx then into the windpipe, bronchi, lungs and finally to the alveoli where ...

The chemical reaction is as follows: Na₂CO₃(aq) + 2HCl (aq) → 2NaCl + H₂O + CO₂