A) These are sour to taste.
B) Acids turn blue litmus red.
C) Acids do not change the colour of turmeric indicator.
D) With china rose indicator, these give dark pink colour.
E) Acids turn red litmus blue.

A) Bases turn the colour of turmeric indicator to red.
B) Bases do not change the colour of blue litmus.
C) Bases do not change the colour of red litmus.
D) Bases give green colour with china rose indicator.
E) These are bitter to taste.

A) Basic
B) Neutral
C) None of the above
D) Acidic

A) Base
B) Fungus
C) Acid
D) Virus
E) Lichens

A) Acidic
B) Basic
C) Neutral
D) None of the above

A) None of the above
B) False
C) True

A) False
B) None of the above
C) True

A) None of the above
B) False
C) True

A) None of the above
B) False
C) True

A) None of the above
B) True
C) False

A) Acid
B) None of the above
C) Base

A) Base
B) Acid
C) None of the above

A) None of the above
B) Acidic
C) Basic

A) Acids
B) Bases
C) None of the above

A) Acid
B) None of the above
C) Base

A) Acidic
B) None of the above
C) Either basic or neutral in nature
D) Basic

A) If an indicator changes colour with a base, it does not change colour with an acid.
B) If an indicator gives a colour change with an acid, it does not give a change with a base.
C) Both acids and bases change colour of all indicators.
D) None of the above
E) Change of colour in an acid and a base depends on the type of the indicator.

A) No
B) Yes