plzz... answer it ......
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3rd answer is (c) because oxygen is required to keep the fire from burning
4th answer is (d) because appearance of blue is maybe due to complete combustion
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4th answer is (d) because appearance of blue is maybe due to complete combustion
pls follow my account & mark me as brainlist pls
divyarani12:
where is 1 and 2
answer that tooo
okay
2nd is (c)
i am not sure about 1st but i think its (a)
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