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Definition of electrode potential is?

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Which one has valency other than one?

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Two half cells of a galvanic cell are connected with a salt bridge, the electrons flow from?

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What is the oxidation state of $\rm{Mn}$ in $\rm{K_{2}MnO_{4}}$?

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Oxidation state of sulphur in $\rm{H_{2}SO_{4}} $?

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Oxidation number of Cr in $\rm{K_{2}Cr_{2}O_{7}}$ and $\rm{K_{2}Cr_{2}O_{4}}$ is

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Zn can be deposited on iron by ?

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Standard reduction potential of $\rm{F_{2}}$, $\rm{Br_{2}}$ is:

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In which compound oxidation state of chlorine is +5:

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In which compound the oxidation number of Mn is +6:

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In a chemical reaction an oxidising agent:

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The gain of electron is known as:

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Which one of the following formulae contains nitrogen with an oxidation state of +5:

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Oxidation state of oxygen is $OF_{2}$ is:

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Oxidation number of carbon in $C_{2}H_{12}O_{6}$ is:

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Which of the following is correct definition of oxidation:

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In the reaction $2Fe + 3Cl_{2} \rightarrow 2FeCl_{3}$

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The oxidation number of chromium in $K_{2}Cr_{2}O_{7}$ is:

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In $KMnO_{4}$

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Which of the following elements has the same oxidation number in all of its known compounds:

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Fuel cells are the means by which chemical energy may be converted into:

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In lead accumulator (storage battery) cathode is made of:

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Which one of the following is a correct statement about battey and cell?

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Lead storage battery is recharged by:

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Which statement is incorrect for fuel cells?

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