Q. The reduction is a gain of

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Q. Gain of oxygen is known as

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Q. If one half of an equation shows oxidation and remaining half reflects reduction then we call them as

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Q. In a balanced equation, the number of electrons gain and loss must be

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Q. In Redox reactions, electrons maybe

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Q. Any specie can be reduced if the oxidation state is

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Q. The oxide state of transition elements can be changed by treating it with a suitable

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Q. The species gaining electrons will be reduced and act as

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Q. The electrical conductivity of calcium is much higher than any

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Q. Percentage of Fe⁺² can be determined by

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Q. In the process of oxidation, 20% of iron and steel is destroyed because of

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Q. The reactions which cost a lot of money are the ones which are

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Q. To determine that a substance is oxidized or reduced other factor to consider is

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Q. Hydrated iron (III) is called

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Q. The loss of oxygen from an element is simple

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Q. When iron reacts with oxygen in the presence of water it produces

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Q. The fuel in space shuttle's rocket burns due to the occurrence of

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Q. The reaction in which oxidation and reduction takes place at same time is called as

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Q. Gain of oxygen (O⁻²) by an element is termed as

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Q. The lowest relative melting point among the four oxides is of

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