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Questions and Answers
What is the general formula to summarize the reaction of a metal with an acid?
What is the general formula to summarize the reaction of a metal with an acid?
- Acid + Metal → Salt + Oxygen gas
- Acid + Metal → Salt + Hydrogen gas (correct)
- Acid + Metal → Salt + Carbon dioxide
- Acid + Metal → Water + Hydrogen gas
In the reaction between NaHCO3 and HCl, what are the products formed?
In the reaction between NaHCO3 and HCl, what are the products formed?
- NaCl and CO2 (correct)
- NaCl and H2O
- NaHCl and H2O
- NaH2CO3 and CO2
When passing the carbon dioxide gas through lime water, what is the white precipitate formed?
When passing the carbon dioxide gas through lime water, what is the white precipitate formed?
- CaCO3 (correct)
- CaCl2
- CaO
- Ca(HCO3)2
What is the product formed when sodium hydroxide reacts with zinc metal?
What is the product formed when sodium hydroxide reacts with zinc metal?
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Why are reactions like the one between sodium hydroxide and zinc not possible with all metals?
Why are reactions like the one between sodium hydroxide and zinc not possible with all metals?
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What role does hydrogen gas play in the reaction between metals and acids?
What role does hydrogen gas play in the reaction between metals and acids?
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