Chemistry MCQS

591. Which of the following is a strong acid?
a) Acetic acid (CH3COOH)
b) Citric acid (C6H8O7)
c) Hydrochloric acid (HCl)
d) Carbonic acid (H2CO3)

592. What is the pH value of a neutral solution?
a) 0
b) 7
c) 14
d) 1

593. 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

594. What is the chemical formula of sodium hydroxide?
a) NaOH
b) KOH
c) Ca(OH)2
d) NH4OH

595. 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)

596. What is the pH value of a basic solution?
a) 0
b) 7
c) 14
d) 1

597. Which of the following is not a salt?
a) Sodium chloride (NaCl)
b) Calcium carbonate (CaCO3)
c) Potassium sulfate (K2SO4)
d) Hydrochloric acid (HCl)

598. 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

599. Which of the following is the common name for calcium sulfate (CaSO4)?
a) Baking soda
b) Epsom salt
c) Gypsum
d) Washing soda

600. What is the chemical formula of acetic acid?
a) H2SO4
b) H2CO3
c) CH3COOH
d) HCl