11th Chemistry Guide Tamil Medium. We covered all the 11th Chemistry Guide Tamil Medium MCQs in this post for free so that you can practice well for the exam.
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11th Chemistry Guide Objective for Tamil Medium Students
The branch of medicine involving synthetic chemical compounds is:
(a) Unani
(b) Ayurveda
(c) Allopathy
(d) Homeopathy
Option c - Allopathy
The metal used for making aircraft and rockets is:
(a) Lead
(b) Aluminium
(c) Nickel
(d) Copper
Option b - Aluminium
In the periodic table of elements, on moving from left to right across a period, the atomic radius:
(a) Decreases
(b) Increases
(c) Remains unchanged
(d) Does not follow a definite pattern
Option a - Decreases
Vulcanized rubber contains sulfur:
(a) 2%
(b) 3-5%
(c) 7-9%
(d) 10-15%
Option b - 3-5%
The percentage of carbon in cast iron:
(a) 0.01 to 0.25
(b) 0.5 to 1.5
(c) 6 to 8
(d) 3 to 5
Option d - 3 to 5
The pair of compounds used as an anesthetic in medicines:
(a) Ether, Ammonia
(b) Nitrous oxide, Chloroform
(c) Chloroform, Nitrogen dioxide
(d) Nitrogen dioxide, Ether
Option b - Nitrous oxide, Chloroform
The first stable product of photosynthesis:
(a) Starch
(b) Sucrose
(c) Phosphoglyceric acid
(d) Glucose
Option c - Phosphoglyceric acid
pH scale ranges:
(a) 0-7
(b) 8-14
(c) 0-14
(d) None
Option c - 0-14
A real gas can act as an ideal gas:
(a) High pressure and low temperature
(b) Low-pressure and high-temperature
(c) High pressure and high temperature
(d) Low pressure and low temperature
Option b - Low-pressure and high-temperature
Iron rusts quickly in:
(a) Rainwater
(b) Seawater
(c) Distilled water
(d) River water
Option b - Seawater
The iodine test is used to detect:
(a) Cholesterol
(b) Carbohydrate
(c) Protein
(d) Fat
Option b - Carbohydrate
Which of the following is used in pencils:
(a) Charcoal
(b) Graphite
(c) Lead
(d) Phosphorus
Option b - Graphite
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