54 Questions
Which of the following substances increases the pH when dissolved in water?
Ammonia NH3
Which substance releases OH- ions directly into solution?
Sodium hydroxide NaOH
Which of the following is classified as an acid?
Lactic acid CH3CH2COOH
Which substance increases the concentration of H+ ions in solution?
Milk (CH3CH2COOH)
What is the result of the dissociation of bases in a solution?
Increase in concentration of OH- ions
Which characteristic is typically associated with bases?
Bitter tasting
What does the pH scale measure?
Concentration of H+ ions
What is the process used to determine the concentration of an acid or a base?
Titration
What is the result when an acid reacts with carbonates?
Formation of CO2 gas
What are the components produced when acids dissociate in water?
H+ and Cl- ions
Which substance is known for its capability to act as both an acid and a base?
"Water"
What happens when hydrochloric acid (HCl) is combined with sodium hydroxide (NaOH)?
Formation of salt and water
What is the purpose of using pH probes and indicators in reactions involving acids and bases?
Determine the acidity or basicity of the solution
What is the result when a base directly dissociates in a solution?
Increase in concentration of OH- ions
Which type of reaction confirms the presence of CO2 gas?
Acid + Carbonates → Salt + Water + CO2 gas
What does the pH value of 1 indicate compared to a pH value of 3?
100x more acidic than pH 3
What is used to confirm neutralization at pH 7?
pH probe and indicators
Which substance is known for its capability to act as both an acid and a base?
Milk
What is the result when hydrochloric acid (HCl) is combined with sodium hydroxide (NaOH)?
Formation of salt and water
Which substance releases OH- ions directly into solution?
Sodium hydroxide (NaOH)
What does the pH value of 1 indicate compared to a pH value of 3?
pH 1 is more acidic than pH 3
Which type of reaction confirms the presence of CO2 gas?
Reaction involving carbonates
What is the purpose of using pH probes and indicators in reactions involving acids and bases?
To determine the pH of the solution
Which substance increases the pH when dissolved in water?
$\text{Ca(OH)}_2$
What are the components produced when acids dissociate in water?
$\text{H}^+$ ions and $\text{OH}^-$ ions
Which characteristic is typically associated with bases?
Increase in $\text{OH}^-$ ions causes a decrease in pH
What are the components produced when bases dissociate in a solution?
H+ and OH- ions
Which of the following substances is known for its capability to act as both an acid and a base?
H2O
What is the result when hydrochloric acid (HCl) is combined with sodium hydroxide (NaOH)?
NaCl + H2O
What characteristic is typically associated with acids?
Corrosive
What is used to confirm the presence of CO2 gas in a reaction involving acids?
Limewater test
Which of the following substances increases the concentration of OH- ions in solution?
NaOH
What does the pH scale measure?
Concentration of H+ ions in solutions
What happens when an acid reacts with carbonates?
Release of H2 gas
What is the process used to determine the concentration of an acid or a base?
"Titration"
Which substance releases OH- ions directly into a solution?
NaOH
What characteristic is typically associated with bases?
Slippery
What are the components produced when acids dissociate in water?
H+ and OH- ions
What is the formula for carbon dioxide?
CO2
Which of the following represents the name for MgCl2?
Magnesium chloride
What is the name of the compound H2O?
Dihydrogen oxide
How many oxygen atoms are present in the compound NaOH?
1
Which of the following represents the formula for calcium carbonate?
CaCO3
What is the correct name for the compound NH3?
Nitrogen trihydride
Which type of compound is formed from a metal and a nonmetal ion?
Ionic compound
How are subscripts included in the name when naming covalent compounds?
'mono,' 'bi,' 'tri,' etc., are used in the name
What is the formula for dihydrogen sulfide?
H2S
Which of the following is the correct name for the compound N2O3?
Dinitrogen trioxide
What is the formula for calcium hydroxide?
Ca(OH)2
Which compound is represented by the formula PCl3?
Phosphorus trichloride
What is the name of the compound Zn(OH)2?
Zinc hydroxide
What is the formula for boron nitride?
BN
Which of the following represents the correct name for the compound CaCl2?
Calcium chloride
What is the formula for aluminum hydroxide?
(Al(OH)3
Test your knowledge on acids and bases and where they fall on the pH scale with this quiz. Identify the pH levels of various substances such as tap water, hydrogen chloride, sodium hydroxide, Coke, bleach, milk, and soap. Classify these substances as acids or bases based on their chemical properties and behavior in aqueous solutions.
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