what do you observe?.................
did the matchstick glow brighter or did the flame fade away?............
this is because of the oxygen gas present in the test tube. oxygen helps in burning of substances.
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yes the match stick glow bright
and oxygen is support er of combustion
mrk as brainliest
and oxygen is support er of combustion
mrk as brainliest
khushimatharu4:
ND what do you observe??........
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