1
JEE Main 2022 (Online) 24th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
For a first order reaction, the time required for completion of 90% reaction is 'x' times the half life of the reaction. The value of 'x' is
(Given : ln 10 = 2.303 and log 2 = 0.3010)
2
JEE Main 2022 (Online) 24th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Metals generally melt at very high temperature. Amongst the following, the metal with the highest melting point will be :
3
JEE Main 2022 (Online) 24th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Which of the following chemical reactions represents Hall-Heroult Process?
4
JEE Main 2022 (Online) 24th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
In the industrial production of which of the following, molecular hydrogen is obtained as a byproduct?
Paper analysis
Total Questions
Chemistry
30
Mathematics
30
Physics
30
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