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Karo-lina-s [1.5K]
3 years ago
9

Which of these is an acid?

Chemistry
1 answer:
Elena-2011 [213]3 years ago
7 0
A. HCl , this is the answer.
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Answer:

The correct answer is;

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Explanation:

The elasticity is the degree of response to a change in price or quantity supplied to the the quantity demanded. An elastic demand responds positively to change in price, while an inelastic demand means that when there is a price increase, the quantity demanded remains the same and where there is a drop in price the quantity demanded remains constant.

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Atoms of each element contain a characteristic number of protons and electrons. The number of protons determines an element's atomic number and is used to distinguish one element from another.

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3 years ago
In a chemical change, the substance that you end up with is the
elena55 [62]
The reactant is what you begin with.
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I attached a picture to help make sense

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