Solubility

NaCl can be dissolved in water into ___ and ____

• Na⁺ and Cl^-

• Na^- and Cl^-

• Na⁺ and Cl⁺

• Na^- and Cl⁺

K₂O can be dissolved in water into _____ and ______

• K⁺ and Cl^-

• K⁺ and O^-

• K⁺ and O^2-

• K^- and O⁺

CaCl₂ can be dissolved in water into ___ and ____

• Ca²⁺ and Cl^2-

• Ca²⁺ and Cl^_

• Ca⁺ and Cl^-

• Ca⁺ and Cl^-

• 1

• 2

• 3

• 4

You can dissolve sugar in water. Which atom attracts the hydrogen atom of water?

• 1

• 2

• 3

• 4

Which is polar?

• CO₂

• F₂

• NH₃

• CH₄

Which one is polar?

• CH₄

• BHF₂

• CO₂

• Cl₂

Which is nonpolar?

• OCl₂

• HCl

• NH₃

• CF₄

Which is nonpolar?

• NHCl₂

• CO

• CCl₄

• HBr

Which one can be dissolved in water?

• CO₂

• F₂

• NH₃

• CH₄