CHECK YOUR KNOWLEDGE-4
Answer the following questions :
1. Why does our stomach burn when we suffer from indigestion?
2. Which chemicals can be added to an acidic soil to make it neutral?
3. What is the remedy for an ant sting?
4. How do factory wastes discharged into the water bodies affect aquatic life?
KEYWORDS
Answers
Answer:
Explanation:
ANS 1 Gastroesophageal reflux disease (GERD) is a condition that causes frequent acid reflux. This reflux occurs when acid from the stomach moves up into the esophagus, causing burning sensations in the stomach and chest. Other symptoms can includThe most common way to raise the pH of soil is to
ANS 2 add pulverized limestone to the soil. Limestone acts as a soil acid neutralizer and consists of either calcium and magnesium carbonate or calcium carbonate. These are called dolomitic limestone and calcitic limestone respectively
ANS 3 Use an ice pack, or put the ice in a towel. Don't put ice directly on your skin, and don't use heat. Raise the part of your body where you got stung to reduce swelling. Take an antihistamine and use a hydrocortisone cream to relieve itching.lowing.
ANS 4 Untreated industrial waste discharged into water bodies have resulted in eutrophication of aquatic ecosystem as evidence by substantial algal bloom leading to dissolve oxygen depletion and eventually massive mortality of fish and other organisms.
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