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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

A) No
B) Yes