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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

A) No
B) Yes