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madreJ [45]
3 years ago
13

Have an infinite number of significant figures

Chemistry
1 answer:
vovikov84 [41]3 years ago
7 0
The answer is: Non-zero
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When a magnesium ribbon is heated in air the product former is heavier.on the other hand when potassium manganate(VII) is heated
vesna_86 [32]

Answer: On heating, Magnesium forms its oxide; while potassium manganate(VII) decomposes

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Magnesium Mg, on heating forms Magnesium oxide

2Mg(s) + O2(g) --> 2MgO

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2KMnO4 --> K2MnO4 + MnO2 + O2

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