Chemistry Ch 1-2 Review

What does the blue color on the NFPA diamond stand for?

• Special Information

• Health Hazard

• Flammability Hazard

• Reactivity Hazard

Which hazard does this pictogram represent?

• Harmful/Irritant
• Explosive
• Health Hazard
• Toxic

Safety Data Sheets provide some basic health information in addition to information about chemicals.

• True
• False

1. What does SDS stand for?

• Science Data Safety

• Safety Duties for Science

• Safety Data Sheet

• Science Data Sheet

The government agency resposbile for workplace saftey & health

• OSHA

• SDS

• NFPA

• NASA

On a NFPA saftey label, EXTREME HAZARDS use the number _____

• 0

• 1

• 3

• 4

A gas

• has a definite shape but no definite volume
• has a definite volume but no definite shape
• has fast-moving particles

Define a liquid.

• Indefinite shape, indefinite volume
• Definite shape, definite volume
• Found in stars
• Definite volume, indefinite shape

Particles (molecules) in a ______________________ have more energy than the other states of matter.

• gas
• solid
• liquid

Particles of a liquid

• are tightly packed together and stay in a fixed position.
• have no viscosity.
• decrease in volume with increasing temperature.
• are free to move around one another but still touch.