Master the essentials of acids, bases, and salts with these MCQs. Explore pH scale, neutralization reactions, and properties of acids and bases. With keywords like “acid-base MCQs for chemistry tests” and “chemistry quiz on pH and salts,” this is an ideal resource for revision.
Which of the following is a characteristic property of acids?
a) Bitter taste
b) Slippery feel
c) Sour taste
d) None of the above
Which gas is produced when an acid reacts with a metal?
a) Oxygen
b) Hydrogen
c) Carbon dioxide
d) Chlorine
What is the chemical formula of sulfuric acid?
a) H2SO3
b) H2SO4
c) HCl
d) HNO3
Which of the following is a strong acid?
a) Acetic acid (CH3COOH)
b) Citric acid (C6H8O7)
c) Hydrochloric acid (HCl)
d) Carbonic acid (H2CO3)
What is the pH value of a neutral solution?
a) 0
b) 7
c) 14
d) 1
Which of the following is a characteristic property of bases?
a) Sour taste
b) Slippery feel
c) Red litmus turns blue
d) None of the above
What is the chemical formula of sodium hydroxide?
a) NaOH
b) KOH
c) Ca(OH)2
d) NH4OH
Which of the following is a strong base?
a) Ammonium hydroxide (NH4OH)
b) Sodium hydroxide (NaOH)
c) Calcium hydroxide (Ca(OH)2)
d) Potassium hydroxide (KOH)
What is the pH value of a basic solution?
a) 0
b) 7
c) 14
d) 1
Which of the following is not a salt?
a) Sodium chloride (NaCl)
b) Calcium carbonate (CaCO3)
c) Potassium sulfate (K2SO4)
d) Hydrochloric acid (HCl)
What is the product when an acid reacts with a metal carbonate?
a) Salt and water
b) Salt and hydrogen gas
c) Salt, water, and carbon dioxide
d) Salt and carbon dioxide
Which of the following is the common name for calcium sulfate (CaSO4)?
a) Baking soda
b) Epsom salt
c) Gypsum
d) Washing soda
What is the chemical formula of acetic acid?
a) H2SO4
b) H2CO3
c) CH3COOH
d) HCl
What is the product when an acid reacts with a metal oxide?
a) Salt and water
b) Salt and hydrogen gas
c) Salt and oxygen gas
d) Salt and carbon dioxide
Which of the following is a natural indicator?
a) Methyl orange
b) Phenolphthalein
c) Turmeric
d) Litmus
What is the chemical formula of hydrochloric acid?
a) HNO3
b) H2SO4
c) HCl
d) H3PO4
What happens to the pH value when an acidic solution is diluted with water?
a) It increases
b) It decreases
c) It remains the same
d) It becomes neutral
What is the product when an acid reacts with a metal hydroxide?
a) Salt and water
b) Salt and hydrogen gas
c) Salt and oxygen gas
d) Salt and carbon dioxide
What is the pH value of a solution with a high concentration of hydrogen ions?
a) Less than 7
b) Exactly 7
c) More than 7
d) 7.5
What is the chemical formula of nitric acid?
a) H2SO4
b) HNO3
c) HCl
d) H3PO4
What is the product when an acid reacts with a metal sulfide?
a) Salt and water
b) Salt and hydrogen gas
c) Salt and sulfur dioxide
d) Salt and carbon dioxide
What is the pH value of a solution with a low concentration of hydrogen ions?
a) Less than 7
b) Exactly 7
c) More than 7
d) 7.5
What is the chemical formula of carbonic acid?
a) HNO3
b) H2SO4
c) HCl
d) H2CO3
What is the product when an acid reacts with a metal chloride?
a) Salt and water
b) Salt and hydrogen gas
c) Salt and oxygen gas
d) Salt and chlorine gas
What is the pH value of a solution with a high concentration of hydroxide ions?
a) Less than 7
b) Exactly 7
c) More than 7
d) 7.5
What is the chemical formula of phosphoric acid?
a) HNO3
b) H2SO4
c) HCl
d) H3PO4
What is the product when an acid reacts with a metal nitrate?
a) Salt and water
b) Salt and hydrogen gas
c) Salt and oxygen gas
d) Salt and nitrogen dioxide
What is the pH value of a solution with a low concentration of hydroxide ions?
a) Less than 7
b) Exactly 7
c) More than 7
d) 7.5
What is the chemical formula of hydrobromic acid?
a) HBr
b) H2SO4
c) HCl
d) H3PO4
What is the product when an acid reacts with a metal acetate?
a) Salt and water
b) Salt and hydrogen gas
c) Salt and oxygen gas
d) Salt and carbon dioxide
What is the pH value of a solution with a high concentration of hydronium ions?
a) Less than 7
b) Exactly 7
c) More than 7
d) 7.5
What is the chemical formula of hydroiodic acid?
a) HI
b) H2SO4
c) HCl
d) H3PO4
What is the product when an acid reacts with a metal hydrogen carbonate?
a) Salt and water
b) Salt and hydrogen gas
c) Salt and carbon dioxide
d) Salt and sulfur dioxide
What is the pH value of a solution with a low concentration of hydronium ions?
a) Less than 7
b) Exactly 7
c) More than 7
d) 7.5
What is the chemical formula of acetic acid?
a) HNO3
b) H2SO4
c) CH3COOH
d) HCl
What is the product when an acid reacts with a metal hydrogen sulfite?
a) Salt and water
b) Salt and hydrogen gas
c) Salt and sulfur dioxide
d) Salt and carbon dioxide
What is the pH value of a solution with a high concentration of hydroxide ions?
a) Less than 7
b) Exactly 7
c) More than 7
d) 7.5
What is the chemical formula of citric acid?
a) HNO3
b) H2SO4
c) HCl
d) C6H8O7
What is the product when an acid reacts with a metal hydrogen phosphate?
a) Salt and water
b) Salt and hydrogen gas
c) Salt and carbon dioxide
d) Salt and phosphine gas
What is the pH value of a solution with a low concentration of hydroxide ions?
a) Less than 7
b) Exactly 7
c) More than 7
d) 7.5
What is the chemical formula of tartaric acid?
a) HNO3
b) H2SO4
c) HCl
d) C4H6O6
What is the product when an acid reacts with a metal bisulfite?
a) Salt and water
b) Salt and hydrogen gas
c) Salt and sulfur dioxide
d) Salt and carbon dioxide
What is the pH value of a solution with a high concentration of hydroxide ions?
a) Less than 7
b) Exactly 7
c) More than 7
d) 7.5
What is the chemical formula of oxalic acid?
a) HNO3
b) H2SO4
c) HCl
d) H2C2O4
What is the product when an acid reacts with a metal hydrogen sulfide?
a) Salt and water
b) Salt and hydrogen gas
c) Salt and sulfur dioxide
d) Salt and carbon dioxide
What is the pH value of a solution with a low concentration of hydroxide ions?
a) Less than 7
b) Exactly 7
c) More than 7
d) 7.5
What is the chemical formula of formic acid?
a) HNO3
b) H2SO4
c) HCl
d) HCOOH
What is the product when an acid reacts with a metal hydrogen carbonate?
a) Salt and water
b) Salt and hydrogen gas
c) Salt and carbon dioxide
d) Salt and sulfur dioxide
What is the pH value of a solution with a high concentration of hydroxide ions?
a) Less than 7
b) Exactly 7
c) More than 7
d) 7.5
What is the chemical formula of hydrofluoric acid?
a) HF
b) H2SO4
c) HCl
d) H3PO4
What is the product when an acid reacts with a metal hydrogen phosphate?
a) Salt and water
b) Salt and hydrogen gas
c) Salt and carbon dioxide
d) Salt and phosphine gas
What is the pH value of a solution with a low concentration of hydroxide ions?
a) Less than 7
b) Exactly 7
c) More than 7
d) 7.5
What is the chemical formula of lactic acid?
a) HNO3
b) H2SO4
c) HCl
d) C3H6O3
What is the product when an acid reacts with a metal bicarbonate?
a) Salt and water
b) Salt and hydrogen gas
c) Salt and carbon dioxide
d) Salt and sulfur dioxide
What is the pH value of a solution with a high concentration of hydroxide ions?
a) Less than 7
b) Exactly 7
c) More than 7
d) 7.5
What is the chemical formula of ascorbic acid?
a) HNO3
b) H2SO4
c) HCl
d) C6H8O6
What is the product when an acid reacts with a metal bisulfate?
a) Salt and water
b) Salt and hydrogen gas
c) Salt and sulfur dioxide
d) Salt and carbon dioxide
What is the pH value of a solution with a low concentration of hydroxide ions?
a) Less than 7
b) Exactly 7
c) More than 7
d) 7.5
What is the chemical formula of citric acid?
a) HNO3
b) H2SO4
c) HCl
d) C6H8O7
What is the product when an acid reacts with a metal phosphate?
a) Salt and water
b) Salt and hydrogen gas
c) Salt and carbon dioxide
d) Salt and phosphine gas
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