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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

A) Change of colour in an acid and a base depends on the type of the indicator.
B) Both acids and bases change colour of all indicators.
C) If an indicator changes colour with a base, it does not change colour with an acid.
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) Yes
B) No