The acid present in ant's sting is
Citric acid
Acetic acid
Lactic acid
Formic acid
Which of the following salts does not contain water of crystallization?
Blue vitriol
Baking soda
Washing soda
Gypsum
Which among the following is not a base?
NaOH
KOH
NH4OH
C2H5OH
Which of the following statement is not correct.
All metal carbonates react with acid to give a salt, water and carbon dioxide.
all metal oxides react with water to give salt and acid
Some metals reacts with acids to give salt and hydrogen
Some non- metal oxides react with water to form an acid
____________ is known as baking soda.
Sodium hydrogen carbonate
Sodium carbonate
Sodium hydroxide
Potassium hydroxide
An aqueous solution turns red litmus solution blue. Excess addition of which of the following solution would reverse the change.
Baking power
Lime
Ammonium hydroxide solution
Hydrochloric acid
_________is a natural indicator which is extracted from lichens.
Litmus
Turmeric
China rose
Lilly
Which of the following gives the correct increasing order of acid strength?
Water< acetic acid < hydrochloric acid
Water < hydrochloric acid < acetic acid
Acetic acid < Water < hydrochloric acid
hydrochloric acid < Water < Acetic acid
A solution turns red litmus blue, its pH is likely to be
1
4
5
10
The solutions which do not change the colour of either red or blue litmus are known as
Basic
Acidic
Neutral
Indicator
