engineering recuitment ISRO Scientific Assistant Physics 2020 General Science Chemistry Chemical Reaction
Directions: The following items consist of two statements, Statement I and Statement II. You are to examine these two statements carefully and select the answers to these items using the code given below:
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.
1
Both the statements are individually true and Statement II is the correct explanation of statement I
2
Both the statements are individually true but Statement II is not the correct explanation of Statement I
3
Statement I is true but Statement II is false
4
Statement I is false but Statement II is true