WorksheetsAcids, Bases, and Salts
Total questions: 25
Worksheet time: 13mins
Which statement is incorrect about acid?
it is corrosive, sour, and sharp
It reacts with base
It produces hydrogen ions when it is dissolved in water
It produces hydroxide ions when it is dissolved in water
Which statement is incorrect about base?
Alkali is soluble base
It produces hydroxide ions when it is dissolved in water
It contains oxide ion
It reacts with metal
Which one is salt?
potassium nitrate
sulfuric acid
magnesium hydroxide
magnesium oxide
Which one is acid?
potassium nitrate
sulfuric acid
magnesium hydroxide
magnesium oxide
Which one is base?
MgSO4
magnesium hydroxide
HNO3
HCl
Which general word equation is incorrect?
metal carbonate + acid → salt + carbon dioxide + water
metal + acid → salt + hydrogen
acid + base → salt + water
metal + acid → salt + water
Which balanced symbol equation is correct?
CaCO3 + 2HCl → CaCl2 + H2O + CO2
NaOH + H2SO4
→ Na2SO4 + H2O
Mg + HCl → MgCl2 + H2
CaO + HCl → CaCl + H2O
Which word equation is correct?
zinc + sulfuric acid → zinc sulfate + water
zinc + sulfuric acid → zinc sulfate + hydrogen
calcium carbonate + sulfuric acid → calcium sulfate + hydrogen + carbon dioxide
sodium hydroxide + hydrochloric acid → sodium chloride + hydrogen
Define the term acid based on Bronsted-Lowry Theory.
electron pair donor
electron pair acceptor
proton acceptor
proton donor
Define the term base based on Bronsted-Lowry Theory.
electron pair donor
electron pair acceptor
proton acceptor
proton donor
Which statement is correct about strong acid?
ethanoic acid is a strong acid
HCl, HNO3, and H2SO4 are examples of weak acids
It partially dissociates into ions when it is dissolved in water
It completely dissociates into ions when it is dissolved in water
Which statement is correct about weak acid?
ethanoic acid is a strong acid
HCl, HNO3, and H2SO4 are examples of weak acids
It partially dissociates into ions when it is dissolved in water
It completely dissociates into ions when it is dissolved in water
Which compound is neutral?
NH4OH (pH = 11)
H2O (pH = 7)
NaOH (pH = 14)
HCl (pH = 0)
Which compound is acidic?
NH4OH (pH = 11)
H2O (pH = 7)
NaOH (pH = 14)
HCl (pH = 0)
Which compound is basic?
H2SO4 (pH = 2)
H2O (pH = 7)
NaOH (pH = 14)
HCl (pH = 0)
Which compounds are amphoteric?
Al2O3 and ZnO
Al2O3 and NaOH
CO and H2O
NH3 and Al2O3
How do you test the presence of hydrogen gas in the reaction of metal and acid?
using universal pH indicator
using red litmus paper
using limewater
pop test
A student tested a presence of gas X as shown on the picture. What is the gas X?
chlorine
ammonia
carbon dioxide
hydrogen
A student tested a presence of gas Y as shown on the picture. What is the gas Y?
hydrogen
ammonia
carbon dioxide
oxygen
Calcium oxide is reacted with ammonium sulfate. The mixture is warmed. What are the products for the reaction?
calcium sulfate and ammonia
calcium sulfate, water, and ammonia
calcium sulfide, water, and ammonia
calcium sulfite, water, and ammonia
Which materials cannot be used to test the pH of substance?
A student tested a pH of liquid Z with litmus papers. When he dipped the red and blue litmus paper into the liquid separately, there was no change on the litmus papers. What is the properties of liquid Z?
amphoteric
neutral
acidic
basic
Substance A can react either with HCl or NaOH. What is the properties of substance A?
amphoteric
neutral
acid
base
What acid and base are suitable to make potassium sulfate?
sulfurous acid and potassium nitrate
sulfuric acid and potassium hydroxide
sulfurous acid and potassium hydroxide
sulfuric acid and potassium chloride
What acid and base are suitable to make sodium sulfate?
sodium chloride and sulfuric acid
sodium nitrate and sulfuric acid
sodium hydroxide and sulfurous acid
sodium hydroxide and sulfuric acid
