Question

define oxidation and reduction in terms of losing and gaining of electron​

Answer 1

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Explanation:

Oxidation is the loss of electrons or an increase in the oxidation state of an atom, an ion, or of certain atoms in a molecule. Reduction is the gain of electrons or a decrease in the oxidation state of an atom, an ion, or of certain atoms in a molecule.

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Answer 2

Answer:

Area = 140cm²

Let, the length and breadth be 4x and 6x

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\begin{gathered}4x \times 6x = 140 \\ = ) \: 24 {x}^{2} = 140 \\ = ) \: {x}^{2} = \frac{140}{24} \\ = ) \: {x}^{2} = 5.83 \\ = ) \: x = \sqrt{5.83} = 2.415\end{gathered}

4x×6x=140

=)24x

2

=140

=)x

2

=

24

140

=)x

2

=5.83

=)x=

5.83

=2.415

Ans:- Length = (4×2.415)m = 9.66m

Breadth = (6×2.415)m = 14.49m