1
JEE Main 2022 (Online) 28th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Terylene polymer is obtained by condensation of :

A
Ethane-1,2-diol and Benzene-1,3 dicarboxylic acid
B
Propane-1, 2-diol and Benzene-1, 4 dicarboxylic acid
C
Ethane-1,2-diol and Benzene-1, 4 dicarboxylic acid
D
Ethane-1,2-diol and Benzene-1, 2 dicarboxylic acid
2
JEE Main 2022 (Online) 28th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

For the below given cyclic hemiacetal (X), the correct pyranose structure is :

JEE Main 2022 (Online) 28th July Morning Shift Chemistry - Biomolecules Question 38 English

A
JEE Main 2022 (Online) 28th July Morning Shift Chemistry - Biomolecules Question 38 English Option 1
B
JEE Main 2022 (Online) 28th July Morning Shift Chemistry - Biomolecules Question 38 English Option 2
C
JEE Main 2022 (Online) 28th July Morning Shift Chemistry - Biomolecules Question 38 English Option 3
D
JEE Main 2022 (Online) 28th July Morning Shift Chemistry - Biomolecules Question 38 English Option 4
3
JEE Main 2022 (Online) 28th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Statements about Enzyme Inhibitor Drugs are given below :

(A) There are Competitive and Non-competitive inhibitor drugs.

(B) These can bind at the active sites and allosteric sites.

(C) Competitive Drugs are allosteric site blocking drugs.

(D) Non-competitive Drugs are active site blocking drugs.

Choose the correct answer from the options given below:

A
(A), (D) only
B
(A), (C) only
C
(A), (B) only
D
(A), (B), (C) only
4
JEE Main 2022 (Online) 28th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

For kinetic study of the reaction of iodide ion with $$\mathrm{H}_{2} \mathrm{O}_{2}$$ at room temperature :

(A) Always use freshly prepared starch solution.

(B) Always keep the concentration of sodium thiosulphate solution less than that of KI solution.

(C) Record the time immediately after the appearance of blue colour.

(D) Record the time immediately before the appearance of blue colour.

(E) Always keep the concentration of sodium thiosulphate solution more than that of KI solution.

Choose the correct answer from the options given below :

A
$$(\mathrm{A}),(\mathrm{B}),(\mathrm{C})$$ only
B
$$(\mathrm{A}),(\mathrm{D}),(\mathrm{E})$$ only
C
$$(\mathrm{D}),(\mathrm{E})$$ only
D
$$(\mathrm{A}),(\mathrm{B}),(\mathrm{E})$$ only
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