Question

Neethu has two glass tumblers A and B. These are filled with carbon dioxide and oxygen gases, respectively. She places a lighted candle in each tumbler simultaneously. i) In which tumbler will the candle remain lighted for a longer time and why? ii) Which gas is used for extinguish fire? iii) Which chemicals are used for making soda ash fire extinguisher?

Answer 1

Answer:

I)In the tumbler b

II)CO²

III)CO² related chemicals

Answer 2

Answer:

oxygen candle remains lighted in longer time

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