1
JEE Main 2021 (Online) 17th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
The functional groups that are responsible for the ion-exchange property of cation and anion exchange resins, respectively, are :
A
$$-$$SO3H and $$-$$NH2
B
$$-$$NH2 and COOH
C
$$-$$NH2 and $$-$$SO3H
D
$$-$$SO3H and $$-$$COOH
2
JEE Main 2021 (Online) 17th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
One of the by-products formed during the recovery of NH3 from Solvay process is :
A
Ca(OH)2
B
NH4Cl
C
NaHCO3
D
CaCl2
3
JEE Main 2021 (Online) 17th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Fructose is an example of :
A
Heptose
B
Pyranose
C
Ketohexose
D
Aldohexose
4
JEE Main 2021 (Online) 17th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
The common positive oxidation states for an element with atomic number 24, are :
A
+1 and +3
B
+2 to +6
C
+1 to +6
D
+1 and +3 to +6
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