When dilute hydrochloric acid is added to iron filings, hydrogen gas and iron chloride are produced. The reaction is as follows: Fe(s) + 2HCI(aq) → FeCl,(aq) + H,

(i) In beakers A and B, exothermic process has occurred. (ii) In beakers A and B, endothermic process has occurred. (iii) In beaker C, exothermic process has occurred. (iv) In beaker C, endothermic process has occurred.

Transport of food in a plant accomplished by using the energy stored in ATP, whereas transport of water and minerals takes place via diffusion and transpiration pull.

The image will be formed between pole (p) and Focus (f) behind mirror, virtual and erect.

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