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