WorksheetsAcid, Base and Salts
Total questions: 25
Worksheet time: 33mins
Fruits such as oranges , lemon etc, contain ........................... Acid
Citric
Lactic
Ascorbic
Acetic
Which one of the following is not a neutral substance ?
Glucose
Sodium Hydroxide
Urea
Sugar
Bases turn Red litmus to ...................
Green
Yellow
Blue
Black
If the given solution neither changes the colour of the red litmus nor blue litmus paper , it is ..........................
An Acid
A base
Neutral
Colourless
Hydrochloric Acid solution affect .......................... litmus paper
Red
Blue
Both of these
None of these
Methyl Orange is a
Natural
Human-Made
Pink
Colourless
Which method is recommended to dilute an acid
An acid is added to water
Water added to acid
Which of the following is a property of an Acid ?
Sour taste
Sweet Taste
Bitter Taste
Salty Taste
Milk of magnesia contains .............................
Sodium
Potassium
Magnesium
Ammonium
Manure is added , when the soil is too ...................................
Acidic
Basic
Neutral
None of these
A base is
A substance that feels slippery, has a higher Ph than 7, and is often used in drain cleaner.
Has a Ph of below 7 and can react to metal and carbonates
Is only found in a lab
Something water can never be
An indicator is?
A lab manual or guide
Something like litmus paper that can tell you if a substance is acidic or basic
A PS4 game where you pretend to direct traffic
Something only scientists in a lab can use
Do acids and bases conduct electricity?
Only acids conduct electricity
Only bases conduct electricity
Bases and acids conduct electricity
Neither conduct electricity
Acid can prevent bacteria from growing
True
False
When you neutralize acid with a base you create
a Salt and water
You can not neutralize acid with a base
You create carbon dioxide
A moderate sized explosion
True or false: a neutral solution has equal amounts of H+ and OH-.
True
False
A substance is found to have the following characteristics:
Very bitter taste
Feels soapy to the touch
Produces OH- ions when dissolved in water
In what category would the substance be classified?
acid
base
Basic oxide
BaO
P2O5
ZnO
CO2
Which is NOT an amphoteric oxide?
zinc oxide
aluminium oxide
lead (II) oxid
sodium oxide
Complete this equation:
sulfuric acid + potassium hydroxide -->
potassium oxide + hydrogen
potassium chloride + water
potassium sulfate + hydrogen
potassium sulfate + water
