1
JEE Main 2022 (Online) 27th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Match List I with List II.

List I

Polymers
List II

Commercial names
(A) Phenol-formaldehyde resin (I) Glyptal
(B) Copolymer of 1,3-butadiene and sterene (II) Novolac
(C) Polyester of glycol and phthalic acid (III) Buna-S
(D) Polyester of glycol and terephthalic acid (IV) Dacron

Choose the correct answer from the options given below:

A
A-II, B-III, C-IV, D-I
B
A-II, B-III, C-I, D-IV
C
A-II, B-I, C-III, D-IV
D
A-III, B-II, C-IV, D-I
2
JEE Main 2022 (Online) 27th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

A sugar 'X' dehydrates very slowly under acidic condition to give furfural which on further reaction with resorcinol gives the coloured product after sometime. Sugar 'X' is

A
Aldopentose
B
Aldotetrose
C
Oxalic acid
D
Ketotetrose
3
JEE Main 2022 (Online) 27th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Match List I with List II.

List I List II
(A) JEE Main 2022 (Online) 27th July Morning Shift Chemistry - Chemistry in Everyday Life Question 25 English 1 (I) Anti-depressant
(B) JEE Main 2022 (Online) 27th July Morning Shift Chemistry - Chemistry in Everyday Life Question 25 English 2 (II) 550 times sweeter than cane sugar.
(C) JEE Main 2022 (Online) 27th July Morning Shift Chemistry - Chemistry in Everyday Life Question 25 English 3 (III) Narcotic analgesic
(D) JEE Main 2022 (Online) 27th July Morning Shift Chemistry - Chemistry in Everyday Life Question 25 English 4 (IV) Antiseptic

Choose the correct answer from the options given below:

A
A-IV, B-III, C-II, D-I
B
A-III, B-I, C-II, D-IV
C
A-III, B-IV, C-I, D-II
D
A-III, B-I, C-IV, D-II
4
JEE Main 2022 (Online) 27th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

In Carius method of estimation of halogen, $$0.45 \mathrm{~g}$$ of an organic compound gave $$0.36 \mathrm{~g}$$ of $$\mathrm{AgBr}$$. Find out the percentage of bromine in the compound.

(Molar masses : $$\mathrm{AgBr}=188 \mathrm{~g} \mathrm{~mol}^{-1} ; \mathrm{Br}=80 \mathrm{~g} \mathrm{~mol}^{-1}$$)

A
34.04%
B
40.04%
C
36.03%
D
38.04%
JEE Main Papers
2023
2021
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12