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How do metals and non metals read with acids

Posted by Golu Narwaria 5 years, 6 months ago

CBSE > Class 08 > Science

1 answers

Yogita Ingle 5 years, 6 months ago

Metals react with acids to produce hydrogen gas. If a matchstick is brought near the mouth of the tube containing the product of the reaction then we hear a pop sound. It is this hydrogen gas that burns with a pop sound.

For instance, Magnesium reacts with dilute hydrochloric acid to form magnesium chloride and hydrogen.
Mg + 2HCl → MgCl₂ + H₂

Reactions of metal with bases

Metals react with sodium hydroxide to produce hydrogen gas.

For instance, zinc reacts with sodium hydroxide to give sodium zincate.

Zn + 2NaOH → Na₂ZnO₂ + H₂

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