Question

वायु में जलाने से पहले मैग्नीशियन रिबन को साफ़ क्यों किया जाता है?
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Answer 1

Answer:

$</p><p>〖Qบeຮτion〗♡</p><p></p><p>\huge{ \mathbb\red{⫷❥ᴀ᭄} \green{n}\mathbb\blue{S} \purple{w} \mathbb \orange{E}\pink{ℝ⫸}}\:⫷❥ᴀ᭄nSwER⫸</p><p></p><p>vpn hai na bro</p><p></p><p>\huge{\red{ᎻᎧᎮᏋ\: ᶦƬ \:Helpร}}ᎻᎧᎮᏋᶦƬHelpร</p><p></p><p>\huge\boxed{\fcolorbox{black}{pink}{25 Tђαήks = iภbøאָ}} </p><p>25 Tђα </p><p>η</p><p>ˊ</p><p> ks = iภbøאָ</p><p> </p><p> </p><p> </p><p> </p><p></p><p>\huge\underline{ \mathbb\blue{やleaseﾂ}\:\green{thคήks}\:\orange{⦇էօ⦈}}\: </p><p>やleaseﾂthค </p><p>η</p><p>ˊ</p><p> </p><p> ks⦇էօ⦈</p><p> </p><p> </p><p></p><p>\huge\underline{ \mathbb\red{Mℽ}\:\purple{Anຮwerຮ}}\: </p><p>MℽAnຮwerຮ$

Answer 2

Answer:

Magnesium ribbon must be cleaned before burning in air so that the layer of magnesium oxide (which is formed due to reaction of magnesium with air) can be removed in order to get the desired chemical reaction.