Topics

General Knowledge
General Science
General English
Aptitude
General Computer Science
General Intellingence and Reasoning
Current Affairs
Exams
Elementary Mathematics
English Literature

Which of the following is a laughing gas?

A) Carbon monoxide
B) Carbon dioxide
C) Nitrous oxide
D) Sulphur dioxide

Correct Answer:



C) Nitrous oxide

Part of solved TNPSC Question Paper-2007 questions and answers : Exams >> TNPSC >> TNPSC Question Paper-2007

Comments

Similar Questions

1). Coating of Zinc over iron article is known as

A). Galvanisation

B). Electroplating

C). Electro refining

D). Etching

2). Tincture of iodine is

A). Iodine

B). Iodine and iodoform

C). Iodine and potassium iodide

D). lodoform

3). The protein content is of the order

A). soyabean > egg yolk > rice

B). egg yolk > soyabean > rice

C). egg yolk > rice > soyabean

D). soyabean > rice > egg yolk

4). Which one of the following is correctly matched?

A). Liquid gold - Lead

B). Liquid silver -Mercury

C). Aquaregia - Silver

D). Green silver - Copper

5). Which one of the following is correctly matched?

A). Charcoal - Inactive carbon

B). Diamond - Conductor

C). Graphite -Insulator

D). Fullerene - Soluble form of carbon

6).

Match List I with List II correctly and select your answer using the codes given below:

List I	List II
a. Lead tetraethyl	1. Global warming
b. Liquid hydrogen	2. Antiknocking agent
c. Hydrogen peroxide	3. Rocket fuel
d. Carbon dioxide	4. Bleaching agent

A). 2 1 3 4

B). 1 3 2 4

C). 2 4 3 1

D). 2 3 4 1

7). Consider the following statements:
Assertion (A) : Silver articles on exposed to air become black.
Reason (R) : Silver is oxidised to silver oxide.
Now select your answer according to the coding scheme given below:

A). Both (A) and (R) are true and (R) is the correct explanation Of (A)

B). Both (A) and (R) are true, but (R) is not the correct explanation of (A)

C). (A) is true, but (R) is false

D). (A) is false, but (R) is true

8). Which of the following is the chief component of fungal cell wall?

A). Mucopolysaccharide

B). Cellulose

C). \( \alpha \) -D-glucopyranose

D). None of these

9). Which of the following is correctly matched?

A). Maltose - Disaccharides

B). Fructose - Hexose sugar

C). Cellulose - Structural polysaccharide

D). All of these

10). Natural lipids are readily soluble in

A). Oil

B). Water

C). Mercury

D). None of these