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When an acid (like hydrochloric) is added to a metal (like zinc, magnesium, etc) bubbles are formed. The gas produced is hydrogen, and a salt is also formed, e.g:

2Mg + 2HCl ---> 2MgCl + H2gas

Metal + Acid Salt + Hydrogen gas, e.g. magnesium + sulfuric acid magnesium sulfate + hydrogen gas. Symbol equation would be Mg + H2SO4 MgSO4 + H2gas

Another Answer:

An acid would react with a metal to produce a salt and hydrogen gas. Examples:

Mg + H2SO4 ---> MgSO4 + H2gas --and-- 2Na + 2HCl ---> 2NaCl + H2gas

More Information:

Generally, some acids react with some metals but all acids do not react with all metals. However, if there is a reaction, the metal will react with the acid producing the salt of that metal and that acid (as above). Again, generally, the other product of the reaction will be hydrogen gas, although there are some exceptions to this, e.g:

Cu + 4(con.)HNO3 = Cu(NO3)2 + 2NO2 gas + 2H2O

NO2 is a brown, noxious gas. No hydrogen gas is produced.

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14y ago
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AnswerBot

6mo ago

When acids react with metals, they produce hydrogen gas and a compound called a metal salt. The metal salt is formed through the displacement of hydrogen in the acid by the metal. This reaction is generally more vigorous with reactive metals like sodium or potassium compared to less reactive metals like copper or zinc.

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lenpollock

Lvl 16
3y ago

They react to produce a salt and hydrogen

e.g.

2HCl + Zn = ZnCl2 + H2

H2SO4 + Zn = ZnSO4 + H2

2HNO3 + Zn = Zn(NO3)2 + H2

2H3PO4 + 3Zn = Zn3(PO4)2 + 3H2

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Kaela Mohr

Lvl 1
3y ago
awsom, thanks

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Wiki User

13y ago

Hydrogen gas is evolved along with the formation of a salt.

For example, when hydrochloric acid (HCl) is reacted with magnesium (Mg):

2 HCl + Mg --> MgCl2 + H2

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Q: What are some reactions of acids acting on a metal?
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