Sections 1.8-1.10: Disciplines of Chemistry

Honors Chemistry Sections 1.8-1.10: Disciplines of Chemistry

DIsciplines of Chemistry

Agriculture, Materials and the Environment

Multiple Choice

Computer chips are typically made using which semiconducting element?

• molybdenum

• copper

• silicon

• antimony

Multiple Choice

What is the difficulty with producing superconductors that can be easily used?

• they are too expensive

• current superconductors only work at very high temperatures

• current superconductors only work at very low temperatures

• superconductors do not last very long before they have to be replaced

Multiple Choice

Kevlar is what type of compound?

• polymer

• metal

• hydrocarbon

• ceramic

Multiple Choice

What type of battery still uses lead?

• rechargeable computer batteries

• watch batteries

• car batteries

• alkaline batteries

Multiple Choice

What kind of chemist would use complex instrumentation to determine the amount of lead contained in a certain river or lake?

• physical chemist

• analytical chemist

• biochemist

• organic chemist

Multiple Choice

Some modern chemists are interested in finding ways to minimize the effects of greenhouse gases on the warming of the planet. What common greenhouse gas is produced in large quantities from burning fossil fuels such as coal and oil?

• hydrogen

• carbon dioxide

• nitrogen

• sulfur dioxide

Multiple Choice

What is the primary biological effect of lead poisoning?

• it causes kidney failure

• it causes heart disease

• it causes brain damage

• it causes cancer

Multiple Choice

What term describes the application of water to farmland from a source such as a lake or a river?

• irrigation

• hydrolysis

• precipitation

• aquafication

Multiple Select

Check all of the elements that are necessary nutrients for crops:

• phosphorus

• calcium

• barium

• nitrogen

Multiple Choice

Which statement does not represent a way that chemistry can benefit agriculture?

• creating substances that can protect crops from predators

• supplying purer water sources

• providing insight into chemicals present or lacking in soil

• creating synthetic seeds to plant

Multiple Choice

The generation and dumping of waste materials cause many environmental problems, including the leaching of harmful chemicals into the soil and groundwater. What could lessen these problems? Check all that apply.

• reusing products before disposing of them

• limiting the use of products with excessive packaging, like plastic bottles and wrappers

• recycling waste instead of throwing it into the garbage

• all of the above

Multiple Select

Choose where lead was found in products.

• gasoline

• plumbing

• lights

• paint