Question

Class Work: Students will write a narrative story by using their own mind map by following the given topic.

Starter of the story:        Black Mountains of Dust

I was sitting at a park bench when I saw the endless black cloud heading towards me. "Mom look!" I screamed. My mom turned around and faced me. A look of pure horror was painted across her face. "Margaret come on we need to go now!" She shouted. We ran across roads and dried up crop fields. We did not dare look back. Suddenly I wasn't running away from the black cloud……………​

Answer 1

Answer:

When exhaled air is blown through Lime Water which is also known as calcium hydroxide, the carbon dioxide present in the exhaled air reacts with the Lime water and turns it into a milky solution, since the the CO2 reacts with Ca(OH)2 and forms CaCO or Calcium Carbonate, which is insoluble and white in colour.

Explanation:

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