Class 9 Chemistry Kerala Syllabus. We covered all the Class 9 Chemistry Kerala Syllabus MCQs in this post for free so that you can practice well for the exam.
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Class 9 Chemistry Kerala Syllabus Objective for Students
The polymer obtained from monomers glycine and e amino caproic acid is:
(A) Buna-S
(B) Dextron
(C) PHBV
(D) Nylon-2-nylon-6
Option d – Nylon-2-nylon-6
Polyacrylamide gel is used in:
(A) Paints
(B) Electrophoresis
(C) Raincoats
(D) Gaskets
Option b – Electrophoresis
Bakelite is obtained from phenol by reaction with:
(A) Ethanal
(B) Methanol
(C) Methanal
(D) Acetone
Option c – Methanal
SBR is obtained from 75 parts of butadiene and 25 parts of styrene subjected to addition polymerization by the action of:
(A) Hydrogen
(B) Sulphur
(C) Lithium
(D) Sodium
Option d – Sodium
Chloroprene polymerizes rapidly in the presence of:
(A) Hydrogen
(B) Oxygen
(C) Helium
(D) Neon
Option b – Oxygen
Vulcanization of neoprene takes place in the presence of:
(A) Magnesium oxide
(B) Tritium oxide
(C) Vanadium oxide
(D) Polonium oxide
Option a – Magnesium oxide
The molecular formula of cellulose is:
(A) Cell-OH
(B) Cell-OR
(C) Cell-OAr
(D) Cell-SR
Option a – Cell-OH
Cellulose xanthate, when mixed with dilute NaOH, gives:
(A) Viscose
(B) Acetate
(C) Tartarate
(D) Carboxylate
Option a – Viscose
PHBV is a:
(A) Polyether polymer
(B) Polyester polymer
(C) Polyamide polymer
(D) Polyhydroxyl polymer
Option b – Polyester polymer
We covered all the class 9 chemistry Kerala syllabus mcqs above in this post for free so that you can practice well for the exam.
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Also, check out:
- S Chand Chemistry Class 9 Chapter 2 Solutions
- ICSE Class 9 Chemistry Sample Paper
- Simplified Chemistry Class 9 Solutions
