WorksheetspH experiment
Total questions: 15
Worksheet time: 8mins
pH is equal to
=log[H+]
= -log[H+]
= log[OH-]
= -log[OH-]
pH scale ranges from,
0 - 7
7 - 14
0.1 - 14
None of the above
pH scale is known as universal indicator.
True
False
pH determines,
Strength of Acid & Bases
Aciditity
Basicity
Alkalinity
Distilled water has ______ pH.
less than 7
more than 7
7
none of the above
Sodium Carbonate solution has pH
less than 7
more than 7
7
None of the above
H2SO4, HNO3, HCl are
Weak acid
Strong acid
Weak base
Strong base
Milk, coffee, Tea belongs to
Weak acid
Strong acid
Weak base
Strong base
Blood, saliva, Milk of Magnesia, Magnesium hydroxide belongs to
Weak acid
Strong acid
Weak base
Strong base
NaOH, KOH solution belongs to
Weak acid
Strong acid
Weak base
Strong base
Which of the following will be having only ions in the solution?
NaOH
HCl
Lactic acid
Option 1 & 2
Which of the following will have only molecules?
Distilled water
Sugar Solution
Carbon tetrachloride
All of the above
Which of the following will have ions as well as molecules in the solution?
Lactic acid
Sodium bicarbonate
Vinegar
All of the above
Which of the following salt will have pH 7?
NaCl
NaHCO3
K2CO3
All of the above
Which of the following colour is seen when universal indicator is added to the Sulphuric acid?
Red
Yellow
Green
Violet
