1.

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

Answer»

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

Solution :Heating a MIXTURE of potassium chlorate and manganese dioxide PRODUCES oxygen gas and manganese dioxide acts as a positive catalyst.


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