Experiment 10: Cigarette Smoking and Air Pollution

Question 1

emits air pollutants 10 times greater than diesel exhaust and badly affects human health by inhaling directly or indirectly

Answer 1

cigarette smoking

Question 2

small cylinder of finely cut tobacco leaves rolled in thin paper for smoking

Answer 2

cigarette

Question 3

compounds present in cigarette smoke

Answer 3

four thousand

Question 4

known carcinogens found in cigarette smoke

Answer 4

43

Question 5

is the contamination of the indoor or outdoor environment by any chemical, physical or biological agent that modifies the natural characteristics of atmosphere

Answer 5

air pollution

Question 6

• are those which are directly emitted from the source into the atmosphere and remains in same form in the atmosphere
• emitted by man made sources like cigarette smoking, transportation, fuel combustion, solid waste disposal

Answer 6

primary air pollutants

Question 7

• are those which are informed by the chemical reaction along primary pollutants and atmospheric chemical species
• like ozone, sulfur trioxide, petroxyacyl nitrate,, ketones, photochemical smog

Answer 7

secondary pollutants

Question 8

• produced when sunlight acts upon exhaust gases
• requires a still sunny day and temperature inversion

Answer 8

photochemical smog

Question 9

• describes the particular matter inhaled when the smoker draws on a lighted cigarette
• is the stick brown substance which can stain smokers’ fingers and teeth yellow brown, it also stains lung tissue

Answer 9

Tar

Question 10

• the most important acute-acting pharmacological agent
• causes addiction
• average lethal dose of 30 to 60 mg

Answer 10

nicotine

Question 11

• is an odorless, tasteless gas, giving no warning of its presence in most circumstances

Answer 11

carbon monoxide

Question 12

• known to cause lung damage in experimental animals

Answer 12

nitrogen oxides

Question 13

• deleterious effect on the cilia, part of the natural lung clearance mechanisms in humans

Answer 13

hydrogen cyanide and other ciliatoxic agents

Question 14

refers to the smoke inhaled by the smoker

Answer 14

first-hand smoke

Question 15

the exhaled smoke and other substances emanating from the burning cigarette that can get inhaled by others

Answer 15

second-hand smoke

Question 16

smoke that gets left on the surface of objects, ages over time and becomes progressively toxic

Answer 16

third-hand smoking

Question 17

process of chemical analysis in which the quantity of some constituent of a sample is determined by adding to the measured sample an exactly known quantity of another substance with which the desired constituent reacts in a definite, known proportion

Answer 17

titration

Question 18

substance that indicates the degree of acidity or alkalinity of a solution through characteristic color changes due to the presence of pigment called anthocyanin

Answer 18

indicators