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1. Can we store copper sulphate solution in an iron container? Answer: No, we cannot store copper sulphate solution in an iron container.This is because iron is more reactive than…

1. Why are PVC pipes preferred over iron pipes for water supply to homes and in sewer systems? Answer:  PVC pipes are preferred over iron pipes because they are lightweight,…

1. The baker wants to bake a spongy bread. Which of these should he use and why? Answer: The baker should use yeast.Yeast is a microorganism used in baking. When it…

1. Kishan always adopts the process of mixed cultivation for getting a higher yield of a crop. However, he always needs to keep adding more fertilizers in this method. Can…

1. He was a very young squirrel, and his friends and relatives probably thought him foolish and headstrong for trusting a human. What does this statement reveal about human beings?…

 1. The story is set in Scotland. State at least three instances to prove this. Answer: The Scottish setting is vividly painted through specific cultural and geographical details in the…

 1. Would you like/dislike studying in a school like Totto-chan’s? Give two reasons for your answer. Answer: I would have loved studying in a school like Totto-chan’s. The first reason…

1. Where is Dobbin? What is he doing there? Dobbin is in a field, near a lane. He is leaning over the hedge, watching the world go by. 2. What…

Comprehension 1. Why did Grandmother decide that the family should move to another house? Grandmother decided to move because the troublesome pret (mischievous ghost) living in the peepul tree was making life…

Question 1: Identify the odd one out and justify. (a) Chloride, nitrate, hydride, ammonium Odd one out: Ammonium Justification: Chloride (Cl⁻), nitrate (NO₃⁻), and hydride (H⁻) are all negatively charged ions…