A) Acids turn red litmus blue. B) Acids do not change the colour of turmeric indicator. C) Acids turn blue litmus red. D) These are sour to taste. E) With china rose indicator, these give dark pink colour.
A) Bases do not change the colour of blue litmus. B) Bases do not change the colour of red litmus. C) Bases turn the colour of turmeric indicator to red. D) Bases give green colour with china rose indicator. E) These are bitter to taste.
A) Neutral B) None of the above C) Basic D) Acidic
A) Virus B) Acid C) Lichens D) Fungus E) Base
A) Neutral B) None of the above C) Basic D) Acidic
A) True B) None of the above C) False
A) True B) False C) None of the above
A) False B) True C) None of the above
A) None of the above B) True C) False
A) False B) True C) None of the above
A) Acid B) None of the above C) Base
A) Base B) None of the above C) Acid
A) Basic B) Acidic C) None of the above
A) None of the above B) Acids C) Bases
A) Acid B) Base C) None of the above
A) None of the above B) Basic C) Either basic or neutral in nature D) Acidic
A) Both acids and bases change colour of all indicators. 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) If an indicator changes colour with a base, it does not change colour with an acid.
A) No B) Yes |