Precipitation Reactions

What is one of the historical uses of silver mentioned in the text?

• For building ancient structures

• To ward off werewolves

• As a currency in ancient Rome

• As a food preservative

What property of water allows it to act as a universal solvent?

• Its high boiling point

• Its polar molecules

• Its colorless nature

• Its density

Which compound is mentioned as having low solubility in water?

• Silver chloride

• Potassium nitrate

• Calcium carbonate

• Sodium chloride

What is the role of cations and anions in compound formation?

• They attract to form ionic crystals

• They dissolve in water

• They form covalent bonds

• They repel each other

What notation is used to indicate a solid in a chemical equation?

• (aq)

• (g)

• (l)

• (s)

Why are precipitation reactions significant beyond academic interest?

• They are used in art restoration

• They help in plant growth

• They are important for mining and water purification

• They are used in cooking

Tags

NGSS.HS-ETS1-3

What is one medical application of silver mentioned in the text?

• As a vitamin supplement

• To improve eyesight

• To treat burns

• As a pain reliever

What is the focus of modern research into nanosilver particles?

• To increase weight

• To harness antimicrobial properties safely

• To enhance flavor in food

• To improve conductivity

What is the purpose of stoichiometric calculations in chemistry?

• To predict weather patterns

• To measure temperature changes

• To determine the color of compounds

• To calculate the exact mass of reactants needed

What challenge is associated with extracting gold from seawater?

• High cost of extraction

• Lack of technology

• Environmental regulations

• Low concentration of gold

Tags

NGSS.HS-ESS3-2

NGSS.HS-ETS1-3