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WorksheetsAcids and Alkalis
Total questions: 20
Worksheet time: 10mins
What is a property of acids?
Acids are always solid at room temperature
Acids donate protons or accept electrons.
Acids absorb protons
Acids are neutral in nature
What is a property of alkalis?
turn blue litmus paper red
pH less than 7
pH greater than 7, turn red litmus paper blue, bitter taste
sour taste
Which indicator is used to test for acids?
pH meter
Litmus paper
Bunsen burner
Thermometer
Which indicator is used to test for alkalis?
Universal indicator
PH paper
Burette
Litmus paper
What type of reaction occurs during neutralization?
Double displacement reaction
Single displacement reaction
Combustion reaction
Decomposition reaction
What are some common uses of acids?
Watering plants, Fuel for vehicles, Building materials
Cleaning, pH regulation, food preservation, chemical synthesis
What are some common uses of alkalis?
Cooking ingredients, fuel source, medical treatments
Cleaning agents, manufacturing of soap and detergents, neutralizing acids, agriculture as fertilizers
What is the pH range of acids?
2 to 6.99
0 to 6.99
0 to 8.99
1 to 7.99
What is the pH range of alkalis?
1 to 6
8 to 14
0 to 7
7 to 14
What happens when an acid reacts with a metal?
Carbon dioxide gas and a salt are produced.
Hydrogen gas and a salt are produced.
Oxygen gas and water are produced.
Nitrogen gas and a base are produced.
What happens when an alkali reacts with an acid?
Formation of a gas
Production of light
Neutralization reaction occurs, forming water and a salt.
Creation of a solid
What is the chemical formula for hydrochloric acid?
HCl
CO2
H2O
NaCl
What is the chemical formula for sulfuric acid?
H2SO4
HSO3
HSO4
H2S04
What is the chemical formula for sodium hydroxide?
HCl
H2O
NaOH
CO2
What is the chemical formula for potassium hydroxide?
HKO
K2O
K2OH
KOH
Which acid is found in citrus fruits?
Hydrochloric acid
Citric acid
Sulfuric acid
Acetic acid
Which acid is found in vinegar?
Sulfuric acid
Acetic acid
Citric acid
Hydrochloric acid
Which alkali is commonly used in cleaning products?
Magnesium hydroxide (Mg(OH)2)
Sodium hydroxide (NaOH)
Calcium hydroxide (Ca(OH)2)
Potassium hydroxide (KOH)
Which alkali is used in making soap?
Magnesium hydroxide
Sodium hydroxide
Potassium hydroxide
Calcium hydroxide
What is the effect of acids on litmus paper?
Turn blue litmus paper red.
Cause litmus paper to disintegrate.
Have no effect on litmus paper.
Turn red litmus paper blue.
