28 Questions
What ions are released when a base dissociates in water?
OH-
Which acid is commonly found in the stomach?
HCl
What does pH stand for?
Potential of Hydrogen
What is the characteristic taste of bases?
Bitter
What process is used to determine the concentration of an acid or a base?
Titration
What type of gas is produced when an acid reacts with carbonates?
$CO_2$
What type of test is used to confirm the presence of carbon dioxide gas?
Limewater test
What does the pH scale measure?
Concentration of hydrogen ions
What ions are released when an acid dissociates in water?
H+
What is the molar ratio between HBr and NaOH in the reaction HBr + NaOH → NaBr + H2O?
1:1:1:1
What are the products of the reaction between H2SO4 and Mg(OH)2?
MgSO4 + 2H2O
Which substance falls on the pH scale as a base?
Bleach (contains ClO-)
Which of the following is considered an acid?
Milk (contains CH3CH2COOH)
What is the effect of bases on pH?
Increase in pH
Which of the following release H+ ions into solution?
Hydrogen chloride (HCl)
What is the pH nature of tap water and rain water?
Neutral
Which of the following substances indirectly increase OH- ions by removing H+ ions from water?
Bleach (contains ClO-)
What is the correct name for the covalent compound H2O?
Dihydrogen oxide
What is the correct name for the ionic compound NaCl?
Sodium chloride
What is the charge of the iron ion when it forms Fe2+?
Iron(II) ion
What is the charge of the iron ion when it forms Fe3+?
Iron(III) ion
What is the correct name for the ionic compound CaCO3?
Calcium carbonate
What is the charge of the magnesium ion in MgCl2?
+2
What is the correct name for the covalent compound HCl?
Hydrogen chloride
What is the correct name for the covalent compound CO2?
(Di)carbon dioxide
What is the charge on a sodium ion (Na+)?
+1
What is the charge on a calcium ion (Ca2+)?
+2
What is the charge on a chloride ion (Cl-) ?
-1
Test your knowledge on identifying acids and bases by determining where different substances fall on the pH scale. The quiz covers substances such as tap water, hydrogen chloride, sodium hydroxide, Coke, bleach, milk, and soap, and also includes classification of acids and bases.
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