Chemistry: Reactions of Metals with Acids
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Questions and Answers

What happens when a metal reacts with an acid?

  • Formation of hydrogen gas and a compound called salt (correct)
  • Formation of nitrogen gas and a compound called salt
  • Formation of oxygen gas and a compound called salt
  • Formation of carbon dioxide gas and a compound called salt

What is the general equation for the reaction of a metal with an acid?

  • Acid + Metal -> Salt + Nitrogen
  • Acid + Metal -> Salt + Carbon Dioxide
  • Acid + Metal -> Salt + Oxygen
  • Acid + Metal -> Salt + Hydrogen (correct)

What will be formed when granulated zinc metal reacts with dilute sulfuric acid?

  • $Zn + H_{2}SO_{4} -> ZnSO_{4} + H_{2}$ (correct)
  • $Zn + NaOH -> Zn(OH)_{2} + H_{2}$
  • $Zn + NaHCO_{3} -> ZnCO_{3} + H_{2}$
  • $Zn + HCl -> ZnCl_{2} + H_{2}$

When sodium carbonate (Na2CO3) reacts with dilute HCl, what is observed?

<p>Formation of sodium sulfate and carbon dioxide gas (B)</p> Signup and view all the answers

What is the product when sodium hydrogencarbonate (NaHCO3) reacts with dilute HCl?

<p>$NaHCO_{3} + HCl -&gt; NaCl + CO_{2} + H_{2}O$ (D)</p> Signup and view all the answers

When passing carbon dioxide gas through calcium hydroxide solution, what is formed?

<p>Calcium carbonate and water (D)</p> Signup and view all the answers

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