Alkalis are bases soluble in
acids
water
salts
none of these
A salt which does not contain any ionisable or replacable hydrogen atom in its molecule?
normal salt
acid salt
basic salt
neutral salt
The dissociation of acetic acid in water can be written as:
H3O+ + COOH-
H3O+ + CH3COO-
H3O+ + NO3-
2H3O+ + SO42-
Which acid is present in tamarind?
Butyric
Tartaric
Acetic
Oxalic
Which is commonly used as a preservative for curing fish and meat products?
Potassium hydroxide
Sodium chloride
Sodium hydroxide
Calcium hydroxide
Acids which dissociate when dissolving in water to produce two hydrogen ions per molecule of the acid are
Monobasic
diabasic
tribasic
polybasic
Citrous fruits like orange and lemon is a source of
vitamin A
vitamon B
Vitamin C
Vitamin D
The reaction of potassium carbonate with hydrochloric acid gives
hydrogen
oxygen
chlorine
carbondioxide
Hydrogen combines with other non-metallic elements to form
Minerals
bases
Which is an important part of our diet as it is essential for the proper working of the nervous system?
sodium chloride
sodium carbonate
sodium bicarbonate
sodium sulphate