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1
JEE Main 2023 (Online) 8th April Evening Shift
MCQ (Single Correct Answer)
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-1
Out of Syllabus
In Hall - Heroult process, the following is used for reducing $$\mathrm{Al}_{2} \mathrm{O}_{3}$$ :-
2
JEE Main 2023 (Online) 8th April Morning Shift
MCQ (Single Correct Answer)
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-1
Out of Syllabus
Which of the following metals can be extracted through alkali leaching technique?
3
JEE Main 2023 (Online) 6th April Morning Shift
MCQ (Single Correct Answer)
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-1
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The setting time of Cement is increased by adding :
4
JEE Main 2023 (Online) 1st February Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: In an Ellingham diagram, the oxidation of carbon to carbon monoxide shows a negative slope with respect to temperature.
Reason R: CO tends to get decomposed at higher temperature.
In the light of the above statements, choose the correct answer from the options given below
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