alenetiggyluna
alenetiggyluna alenetiggyluna
  • 25-06-2016
  • Physics
contestada

The amount of freeze protection in a coolant can be checked by using
a. litmus paper.
b. PH tags.
c. a hydrometer.
d. a color chart.

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meerkat18
meerkat18 meerkat18
  • 04-07-2016
The correct answer for this question is letter C. A hydrometer is used to measure the specific gravity of liquids. Antifreeze or freeze protection is added to make the freezing point lower. Litmus paper, pH tags and color charts are used to determine the acidity of a substance.
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