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

A) Bases give green colour with china rose indicator.
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) These are bitter to taste.

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

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

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

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

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

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

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

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

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

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

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

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

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

A) No
B) Yes