52. Danny is being careful in handling acids in the laboratory. In diluting acids, she puts the distilled wate first before finally adding the acid. This is so because she is dealing with what type of chemical? A. Reactive chemical B. Carcinogenic chemical C. Combustible chemical D. Corrosive chemical 53. Heptane, isopropanol, and methanol must be labelled with flash point below 37.8°C (100°F), this is s because these chemicals are classified as? A. Reactive chemical B. Carcinogenic chemical C. Combustible chemical D. Corrosive chemical 54. Which among the following use of fire extinguisher is/are correctly paired? 1. Pressurized water extinguishers: for combustible petroleum products II. Halogenated hydrocarbon extinguishers: for magnesium or sodium caused fire III. Dry-chemical and carbon dioxide extinguishers: for energized electrical equipment IV. M28 dry powder fire extinguishers: for combustible metals A. I and II only B. II and III only C. III and IV only D. II and III only
52. Danny is being careful in handling acids in the laboratory. In diluting acids, she puts the distilled wate first before finally adding the acid. This is so because she is dealing with what type of chemical? A. Reactive chemical B. Carcinogenic chemical C. Combustible chemical D. Corrosive chemical 53. Heptane, isopropanol, and methanol must be labelled with flash point below 37.8°C (100°F), this is s because these chemicals are classified as? A. Reactive chemical B. Carcinogenic chemical C. Combustible chemical D. Corrosive chemical 54. Which among the following use of fire extinguisher is/are correctly paired? 1. Pressurized water extinguishers: for combustible petroleum products II. Halogenated hydrocarbon extinguishers: for magnesium or sodium caused fire III. Dry-chemical and carbon dioxide extinguishers: for energized electrical equipment IV. M28 dry powder fire extinguishers: for combustible metals A. I and II only B. II and III only C. III and IV only D. II and III only
Chapter8: Forms Of Drugs And How They Act
Section: Chapter Questions
Problem 26RQ
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Question
Answer the following:
Transcribed Image Text:52. Danny is being careful in handling acids in the laboratory. In diluting acids, she puts the distilled water
first before finally adding the acid. This is so because she is dealing with what type of chemical?
A. Reactive chemical
B. Carcinogenic chemical
C. Combustible chemical
D. Corrosive chemical
53. Heptane, isopropanol, and methanol must be labelled with flash point below 37.8°C (100°F), this is so
because these chemicals are classified as?
A. Reactive chemical
B. Carcinogenic chemical
C. Combustible chemical
D. Corrosive chemical
54. Which among the following use of fire extinguisher is/are correctly paired?
1. Pressurized water extinguishers: for combustible petroleum products
II. Halogenated hydrocarbon extinguishers: for magnesium or sodium caused fire
III. Dry-chemical and carbon dioxide extinguishers: for energized electrical equipment
IV. M28 dry powder fire extinguishers: for combustible metals
A. I and II only
B. II and III only
C. III and IV only
D. II and III only
Transcribed Image Text:55. Which among the following control of hazards is/are correctly paired?
1. Electrical Hazards: Use only approved extension cords in temporary applications and do not overload
circuits.
II. Compressed Gas Hazards: Agents, such as glass beads or boiling chips, should be added to help
eliminate bumping/boilover when liquids are heated.
III. Cryogenic Materials Hazards: Only containers constructed of materials designed to withstand
ultralow temperatures should be used for Liquid nitrogen works.
IV. Mechanical Hazards: Make certain that acetylene tanks are properly piped (the gas is incompatible
with copper tubing).
A. I and II
B. I and III
C. II and III
D. II and IV
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