1st PUC Chemistry Series-8

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PUC Science 1st Year Chemistry Series-8 quiz

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1st PUC Chemistry Series 8


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Q.71. H2O2 changes Cr2O72- ion to CrO5 in an acidic medium, the oxidation state of Cr in CrO5 is

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Q72 H2SO4 acts as a strong oxidising agent. In which of the reaction, is it not acting as an oxidising agent

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Q73During a reaction of oxalic acid, potassium chlorate and sulphuric acid, the oxidation number of which of the element undergoes a maximum change

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Q74Find the redox reaction

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Q75 Find the oxidation state of I in H4IO6

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Q76Which among the following compounds is the most reducing compound?

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Q77 Which among the following is the strongest oxidising agent?

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Q78Photochemical smog normally does not contain

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Q79Depletion of the ozone layer is caused due to

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Q80 Find the incorrect statement

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