aqueous solutions

What is the solvent in an aqueous solution?

• An ionic compound.

• Water.

• Ions.

• Acid.

What is the definition of hydration?

• The dissolving of an ionic compound in water to form an aqueous solution.

• The process where ions are surrounded by water molecules in an aqueous solution.

• The process where covalent compounds form ions in water.

What do we call the transfer of electricity through a liquid?

• Ionisation.

• Electrolysis.

• Conductivity.

• Current flow.

What is meant by the term "electrolyte"?

• A liquid which contains free ions and can conduct an electrical current.

• An ionic compound which can conduct electricity.

• A salt such as NaCl_(s)

Is NaCl soluble or insoluble?

• Soluble
• Insoluble 
• Neither
• Soluble and Insoluble

Tags

NGSS.HS-PS1-1

Is AgCl soluble or insoluble?

• Soluble
• Insoluble
• Neither 
• Both

Tags

NGSS.HS-PS1-3

What are the products formed in this double replacement reaction: Na₂S + 2HCl

• Na₂H + SCl₂
• ClNa + SH₂
• 2NaCl + 2HS
• 2NaCl + H₂S

Tags

NGSS.HS-PS1-7

What is the precipitate formed between potassium bromide and ammonium sulfide

• potassium sulfide
• ammonium bromide
• potassium ammonium
• no ppt is formed

Tags

NGSS.HS-PS1-2

In this equation,
CuCl₂ + NaOH  → Cu(OH)₂ + NaCl
Which product is insoluble?

• copper(II) hydroxide
• sodium chloride
• sodium hydroxide
• copper(II) chloride

Which is the correct net ionic equation for the reaction of AgNO₃ and CaCl₂?

• Ca²⁺(aq) +  2Cl^- (aq) → CaCl(s)
• Ag⁺(aq)  +  Cl^- (aq) → AgCl(s)
• Ag +  Cl  →  AgCl
• Ag⁺  +  Ca²⁺   →Ag₂Ca (s)