Which natural indicator extracted from lichens?
Litmus
Turmeric
China rose
none of these
Turmeric is also used as?
Acid
Indicator
Base
Flavour
Which compound is found in lime water?
Sodium hydroxide
Magnesium hydroxide
Calcium hydroxide
Sodium Chloride
The turmeric stain on a white shirt is turned to ----------when it is washed with soap.
Blue
Red
Green
Remains the same colour
The reaction between a metal oxide and an acid gives ____________ and _____________.
Alkali, water
Salt, water
Salt, hydrogen
Alkali, hydrogen
________________ acid is present in ant sting.
Methanoic
Citric
Lactic
Formic
________ acid is present in orange.
Acetic
Oxalic
Orgin of Oxalic acid?
Curd
Spinach
Amla
Citrus
______________ acid is present in vinegar.
