NDA General Science Chemistry Questions Part 1

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Question : 55 of 100

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Statement I : Oxygen gas is easily produced at a faster rate by heating a mixture of potassium chlorate and manganese dioxide than heating potassium chlorate alone.
Statement II: Manganese dioxide acts as a negative catalyst

[NDA I 2015]

Both the statements are individually true and Statement II is the correct explanation of Statement I
Both the statements are individually true but Statement II is not the correct explanation of Statement I
Statement I is true but Statement II is false
Statement I is true but Statement II is true

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