11th Chemistry Guide Tamil Medium

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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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