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Eleventh Grade (Grade 11) Acids and Bases Questions

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Grade 11 Acids and Bases
If the pH of a solution is decreased from 7 to 6, it means that the
  1. concentration of OH- has increased 10 times what it was at pH 7
  2. concentration of H+ has decreased to 1/10 of what it was at pH 7
  3. concentration of OH- has increased by 1/7 of what it was
  4. concentration of H+ has increased 10 times what it was at pH 7
Grade 11 Acids and Bases
Grade 11 Acids and Bases
Grade 11 Acids and Bases
Which of the following is an example of acid anhydride?
  1. [math]HCHO[/math]
  2. [math]HCOOH[/math]
  3. [math]HCONH_2[/math]
  4. [math](HCO)_2O[/math]
Grade 11 Acids and Bases
Grade 11 Acids and Bases
Which of the following is a type of acid-base reaction?
  1. Neutralization reaction
  2. Synthesis reaction
  3. Decomposition reaction
  4. Redox reaction
Grade 11 Acids and Bases
Which of the following chemical reactions represents an acid-base reaction?
  1. [math]CH_3COOH + NaOH ->CH_3COONa + H_2O[/math]
  2. [math](Cr_2O_7)^(2-) + 14H^+ + 6e^(-) hArr 2Cr^(3+) + 7H_2O[/math][math][/math]
  3. [math]Fe^(2+) + Ce^(4+) hArr Fe^(3+) + Ce^(3+[/math]
  4. [math]Cl^(-) + Ag^(+) rArr AgCl(s)[/math]
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