10th HISTORY CBSC MCQ QUESTIONS ANSWERS Class 10 Social-science Terminal Exam Based MCQ Solutions
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Class 10th Social Science Session 2022-23 Class X History Terminal Exams MCQ Solutions Class X Social Science MCQ Extra Questions Answers 10th Social Science Terminal Exam Based MCQ Extra Questions
The given reaction is a Redox reaction because oxidation and reduction both take place simultaneously. Also, it is a displacement reaction because hydrogen of NH₃ has been displaced by oxygen.
(1) Trachea or windpipe has rings of cartilage (it splits into the left and right lungs). (2) The epiglottis covers the larynx (the food does not enter the windpipe while eating).