1
JEE Main 2019 (Online) 9th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The pH of rain water, is approximately :
A
5.6
B
7.5
C
7.0
D
6.5
2
JEE Main 2019 (Online) 9th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The correct sequence of amino acids present in the tripeptide given below is :

JEE Main 2019 (Online) 9th January Evening Slot Chemistry - Biomolecules Question 168 English
A
Val - Ser - Thr
B
Thr - Ser - Val
C
Leu - Ser - Thr
D
Thr - Ser - Leu
3
JEE Main 2019 (Online) 9th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following compounds is not aromatic ?
A
JEE Main 2019 (Online) 9th January Evening Slot Chemistry - Basics of Organic Chemistry Question 238 English Option 1
B
JEE Main 2019 (Online) 9th January Evening Slot Chemistry - Basics of Organic Chemistry Question 238 English Option 2
C
JEE Main 2019 (Online) 9th January Evening Slot Chemistry - Basics of Organic Chemistry Question 238 English Option 3
D
JEE Main 2019 (Online) 9th January Evening Slot Chemistry - Basics of Organic Chemistry Question 238 English Option 4
4
JEE Main 2019 (Online) 9th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The tests performed on compound X and their inferences are :

Test Inference
(a) 2, 4 - DNP test Coloured precipitate
(b) Idoform test Yellow precipitate
(c) Azo-dye test No dye formation

Compound 'X' is :
A
JEE Main 2019 (Online) 9th January Evening Slot Chemistry - Practical Organic Chemistry Question 101 English Option 1
B
JEE Main 2019 (Online) 9th January Evening Slot Chemistry - Practical Organic Chemistry Question 101 English Option 2
C
JEE Main 2019 (Online) 9th January Evening Slot Chemistry - Practical Organic Chemistry Question 101 English Option 3
D
JEE Main 2019 (Online) 9th January Evening Slot Chemistry - Practical Organic Chemistry Question 101 English Option 4

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