WorksheetsBases
Total questions: 11
Worksheet time: 4mins
Which of the following base is used in the manufacture of bleaching powder?
Sodium hydroxide
Calcium hydroxide
Potassium hydroxide
Magnesium hydroxide
Litmus is obtained from _____
lichens
purple color
red color
blue color
Hydroxide
hydroxyl
NaOH and KOH are also known as-
Strong bases
Alkalis
Both
None
The general taste of acids and bases is respectively-
Sweet and salty
Sour and salty
Sour and sweet
Sour and bitter
Products of a neutralization reaction are always:
an acid and a base
an acid and a salt
a salt and water
a salt and a base
All bases are alkalis but all alkalis are not bases?
Yes
No
Which of the following values would represent the pH of a strong base?
1
8
7
13
Strong alkalis absorb oxygen from the atmosphere to form their respective metal carbonates and water.
Yes
No
A solution of strong metal hydroxide is known as (a) .
(a) is also known as caustic soda.
