Q1 An inverted beaker of air is placed over a burning candle .Another identical beaker containing oxygen gas is inverted over an indentical burning candle.
a:What different will be observed in the burning of the candles in the two beakers?explain your answer.
b:Which gas in the beaker of air will decrease and increase in volume after birning?explain your answer
Answers
Answer:
a. If we place inverted beaker on candle the burning candle wil not glow or burn in absence of oxygen.
where in second identical beaker which is filled with oxygen inverted on candle will not be extinguished and it will glow constantly because oxygen is required to burn a candle.
b. carbon dioxide gas will increase in the beaker of air. Carbon dioxide is a good fire extinguisher.
Answer:
a. If we place inverted beaker on candle the burning
candle wil not glow or burn in absence of oxygen.
where in second identical beaker which is filled with
oxygen inverted on candle will not be extinguished
and it will glow constantly because oxygen is
required to burn a candle.
b. carbon dioxide gas will increase in the beaker of
air. Carbon dioxide is a good fire extinguisher.
Explanation: