Question

why is passing of air through tets tube A necessary ? Please Please Please answer this. its too urgent. and then I will make you as brainliest ​

Answer 1

Answer:

Explanation:

Excess gas is often a symptom of chronic intestinal conditions, such as diverticulitis, ulcerative colitis or Crohn's disease. Small bowel bacterial overgrowth. An increase or change in the bacteria in the small intestine can cause excess gas, diarrhea and weight loss. Food intolerances

Answer 2

Answer:

passing the air through test tube A is necessary because when air is passed through test tube the potassium hydroxide solution it gives out carbon dioxide and which helps in turning lime water milky which is present in test tube B and by which the germination process take place.

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