Explore topic-wise MCQs in Chemistry.

This section includes 24 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.

1.

The catalyst used in the manufacture of polyethene by Ziegler method is [KCET 1993, 99]

A. Titanium tetrachloride and triphenyl aluminium
B. Titanium tetrachloride and trimethyl aluminium
C. Titanium dioxide
D. Titanium isopropoxide
Answer» C. Titanium dioxide
2.

Which polymer is formed by chloroethene  [RPET 1999]

A. Teflon
B. Polyethene
C. PVC
D. Nylon
Answer» D. Nylon
3.

Polymers of the type Z ? Mn ? Y, i.e. those which contain a foreign molecule in addition to the recurring unit are known as

A. Semisynthetic polymers
B. Atactic polymers
C. Telomers
D. Plasticiser
Answer» D. Plasticiser
4.

Melamine is

A. Gas
B. Yellow liquid
C. White crystalline solid
D. Colloidal solution
Answer» D. Colloidal solution
5.

The Zieglar-Natta catalysts are

A. Stereospecific
B. Non-metallic complexes
C. Gaseous catalysts
D. Universal in all polymerisation reactions
Answer» B. Non-metallic complexes
6.

Which of the following statement is correct regarding the drawbacks of raw rubber [AIIMS 2001]

A. It is plastic in nature
B. It has little durability
C. It has large water-absorption capacity
D. All of these
Answer» E.
7.

Which of the following is not polyamide [AFMC 2000; CBSE PMT 2001; KCET 2001]

A. Nylon-66
B. Protein
C. Glyptal
D. Nylon-6
Answer» D. Nylon-6
8.

Glyptal is a

A. Viscose rayon
B. Nylon
C. Polystyrene
D. Alkyd resin
Answer» E.
9.

As the molecular weight increases the tensile strength of polymers

A. Increases
B. Decreases
C. Remains unchanged
D. Uncertain
Answer» B. Decreases
10.

?Rayon?is

A. Natural silk
B. Artificial silk
C. Natural plastic or rubber
D. Synthetic plastic
Answer» C. Natural plastic or rubber
11.

Which of the following has amide links

A. Protein
B. Nylon
C. Peptide
D. All of these
Answer» E.
12.

Which of the following is teflon [MP PMT 2000, 03]

A. \[{{\left[ \begin{matrix} H\,\,\,\,H\\ |\,\,\,\,\,\,\,\,|\\ -C-C-\\ |\,\,\,\,\,\,\,\,|\\ H\,\,\,\,H\\ \end{matrix} \right]}_{n}}\]
B. \[{{\left[ \begin{matrix} \,\,H\,\,C{{H}_{3}}\\ |\,\,\,\,\,\,\,\,|\\ -C-C-\\ |\,\,\,\,\,\,\,\,|\\ H\,\,\,\,H\\ \end{matrix} \right]}_{n}}\]
C. \[{{\left[ \begin{matrix} F\,\,\,\,F\\ |\,\,\,\,\,\,|\\ -C-C-\\ |\,\,\,\,\,\,\,|\\ F\,\,\,\,\,F\\ \end{matrix} \right]}_{n}}\]
D. \[{{\left[ \begin{matrix} H\,\,\,F\\ |\,\,\,\,\,\,\,|\\ -C-C-\\ |\,\,\,\,\,\,\,|\\ F\,\,\,Cl\\ \end{matrix} \right]}_{n}}\]
Answer» D. \[{{\left[ \begin{matrix} H\,\,\,F\\ |\,\,\,\,\,\,\,|\\ -C-C-\\ |\,\,\,\,\,\,\,|\\ F\,\,\,Cl\\ \end{matrix} \right]}_{n}}\]
13.

Polythene is a resin obtained by polymerisation of or The monomer unit in polythene is [CPMT 1983; JIPMER 1997; MP PMT 2002]

A. Butadiene
B. Ethylene
C. Isoprene
D. Propylene
Answer» C. Isoprene
14.

Which of the following is currently used as a tyrecord [Kerala (Med.) 2003]

A. Terelene
B. Polyethylene
C. Polypropylene
D. Nylon ? 6
Answer» E.
15.

Which polymer is used for making magnetic recording tapes [AMU 1999]

A. Dacron
B. Acrilan
C. Glyptal
D. Bakelite
Answer» E.
16.

Heating of rubber with sulphur is known as [CBSE PMT 1989]

A. Galvanisation
B. Vulcanisation
C. Bessemerisation
D. Sulphonation
Answer» C. Bessemerisation
17.

Nylon polymers are

A. Acidic
B. Basic
C. Amphoteric
D. Neutral
Answer» D. Neutral
18.

Triethyl aluminium titanium chloride used in plastic industry is a

A. Vulcaniser
B. Plasticiser
C. Ziegler-Natta catalyst
D. Telomer
Answer» D. Telomer
19.

Which of the following is not a natural polymer [AFMC 2003]

A. Cellulose
B. Protein
C. PVC
D. Nucleic acid
Answer» D. Nucleic acid
20.

?Cis-1, 4-polyisoprene? is

A. Thermoplastic
B. Thermosetting plastic
C. Elastic (rubber)
D. Resin
Answer» D. Resin
21.

Which of the following is synthetic rubber[NCERT 1978]

A. Buna-S
B. Neoprene
C. Both A and B
D. None of these
Answer» D. None of these
22.

Which of the following is not an example of additional polymer [KCET 2001; CBSE 2001]

A. Terylene
B. Polypropylene
C. Polyethylene
D. Polystyrene
Answer» B. Polypropylene
23.

Which of the following is an example of condensation polymer

A. Nylon
B. Bakelite
C. Urea-formaldehyde resin
D. All of these
Answer» E.
24.

Which of the following is an addition polymer

A. Glucose
B. Polyethylene
C. Ethylene
D. Terylene
Answer» C. Ethylene