Lab: Polar vs. Non-Polar Quiz

What is usually used to attempt to stir/dissolve mixtures in chemistry lab?

• A glass stirring rod

• A metal spoon

• A plastic spatula

• A wooden stick

The concept of polar and non-polar and solubility indicates that ....

• Polar substances dissolve in non-polar substances.

• Non-polar substances dissolve in polar substances.

• Polar substances dissolve in polar substances.

• Non-polar substances dissolve in water.

The ​side with the ​ (a)   has a ​ (b)   or partial ​ (c)   charge (​ (d)   ).

• electrons
• slight
• negative
• δ-

Water is a polar molecule that is good for dissolving....

• Polar and Ionic Molecules 
• Nonpolar Molecules
• Amphiphilic Molecules
• Colloids

Tags

NGSS.HS-PS1-3

A molecule that has a partial positive end and a partial negative end because of unequal sharing of electrons is a _______________.

• nonpolar molecule

• polar molecule

• ionic compound

• metalic compound

Which of these is an amphiphilic molecule?

• Oil
• Ice 
• Soap
• Hexane

Which of these is an amphiphilic molecule?

• Oil
• Ice 
• Soap
• Hexane

NaCl is ... in water.

• soluble
• insoluble

Tags

NGSS.HS-ESS2-5

NGSS.HS-PS1-3

Water and oil are _____.

• Immiscible

• solvent

• mixing

In a solution, the solute is the substance that

• Dissolves in the solvent

• Is in the greatest quantity

• Is the liquid

• Is a solid