3 years ago

What gas has formed when bubels form when water is boiled?

1 answer:

4 0

The gas has formed when bubbles form when water is boiled are hydrogen and oxygen gas. They came from the reaction 2H2O -> 2H2 + O2 were O2 and N2 will separate after heat treatment.

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Answer:

d . Sc2O5

Explanation:

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In this case, when forming oxides from a metal and oxygen, for us to find out each element's subscript, we must exchange them as shown below, considering +5 for scandium:

$Sc^{+5}_2O^{-2}_5$