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Shkiper50 [21]
3 years ago
12

Which of the following lists describes characteristics of an acid? Bitter taste, high pH, and caustic Sour taste, low pH, and di

ssolves metals Sour taste, high pH, and dissolves metals Slippery, low pH, and caustic
Chemistry
1 answer:
Genrish500 [490]3 years ago
3 0

Answer:

Sour taste, low pH, and dissolves metals

Explanation:

Acids have a pH below 7.0. Acids turn litmus paper red as they have pH below 7.0. Bases on the other hand have pH above 7.0. Water has a neutral pH of 7.0.  

Acids have a sour taste. For example citric acids found in lemons make it sour. Vinegar has acetic acid which makes it sour.  

Acids dissolve metals to form salts and hydrogen gas

2HCl + Zn → ZnCl₂ + H₂

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Which of the following is most likely an indication of a chemical change?
mamaluj [8]

Hello there!

Question: Which of the following is most likely an indication of a chemical change?

Answer Choices:

A. A loud sound when an MP3 player is turned on.

B. A loud sound when someone claps their hands.

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D. A loud sound when a large object falls to the ground.

Correct Answer:

C. A loud sound when a starter's pistol is fired at a race.

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A would not be correct since an MP3 player is a mechanical object and does not mix any substances that create a reaction.

B would not be correct since clapping hands causes a loud sound due to two forces slamming together and causes a disturbance in the air.

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