1
TS EAMCET 2020 (Online) 11th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

$$ \text { Monomeric units of melamine polymer are } $$

A

TS EAMCET 2020 (Online) 11th September Evening Shift Chemistry - Polymers Question 2 English Option 1

B

TS EAMCET 2020 (Online) 11th September Evening Shift Chemistry - Polymers Question 2 English Option 2

C

TS EAMCET 2020 (Online) 11th September Evening Shift Chemistry - Polymers Question 2 English Option 3

D

TS EAMCET 2020 (Online) 11th September Evening Shift Chemistry - Polymers Question 2 English Option 4

2
TS EAMCET 2020 (Online) 11th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Type of reaction involved in the initial step in the formation of bakelite

A

electrophilic substitution

B

electrophilic addition

C

nucleophilic substitution

D

nucleophilic addition

3
TS EAMCET 2020 (Online) 10th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following are synthetic rubbers?

(i) Terylene

(ii) Buna-S

(iii) Buna-N

(iv) Neoprene

(v) Polyacrylonitrile

A

(i), (ii) and (iii)

B

(ii), (iv) and (v)

C

(ii), (iii) and (iv)

D

(i), (ii) and (iv)

4
TS EAMCET 2020 (Online) 10th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following vinyl derivatives is the most reactive towards anionic polymerisation?

A

$\mathrm{CH}_2=\mathrm{CH}-\mathrm{CH}_2-\mathrm{CH}_3$

B

$\mathrm{CH}_2=\mathrm{CH}-\mathrm{CH}_2-\mathrm{OE}$

C

$\mathrm{CH}_2=\mathrm{CH}-\mathrm{Cl}$

D

$\mathrm{CH}_2=\mathrm{CH}-\mathrm{C} \equiv \mathrm{N}$

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