Manisha took some vinegar in a test tube and added some baking powder to it . Then she lit a matchstick and brought it near the mouth of the test tube . The flame of the matchstick got extinguished.

Which of the following is correct conclusion regarding the given experiment .

(A) Carbon dioxide gas does not support burning .

(B) Air contains carbon dioxide .

(C) Oxygen gas present in the air is necessary for burning .

(D) Oxygen gas can extinguish fire .

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Solution

Correct Answer: A
Solution :
In the given experiment, vinegar reacts with baking powder and produces carbon dioxide gas which extinguishes fire.
Carbon dioxide gas does not support burning .

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Correct Answer: A Solution : In the given experiment, vinegar reacts with baking powder and produces carbon dioxide gas which extinguishes fire. Carbon dioxide gas does not support burning .

Correct Answer: A
Solution :
In the given experiment, vinegar reacts with baking powder and produces carbon dioxide gas which extinguishes fire.
Carbon dioxide gas does not support burning .