Unit Test — Unit test

Question 1

Four solutes are added to a solvent. All solutes have the same mass and solubility. The surface areas of four solutes are 2 mm2, 4 mm2, 6 mm2, and 10 mm2. Which solute will dissolve the quickest?

Revolt · Accepted Answer

10 mm2

Question 2

Tony gets stung by an ant. He applies baking soda, a weak base, to the site. What acid is Tony neutralizing with the baking soda?

Revolt · Accepted Answer

formic acid

Question 3

Maceo is making rock candy. Which best describes the steps she should take?

Revolt · Accepted Answer

heat a saturated sugar water solution, dissolve more sugar, then let the solution cool

Question 4

Which is the order of these solutions from strong acid to strong base?Solutions:household ammoniabattery acidbaking sodastomach acidantacid

Revolt · Accepted Answer

battery acid stomach acid antacid baking soda household ammonia

Question 5

Which material is the least likely to be recognized as a mixture by looking at it under a microscope?

Revolt · Accepted Answer

a homogeneous mixture

Unit Test — Unit test Answers

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