Oxalic acid is found in
Curd
Spinach
Amla
Onion
A solution reacts with crushed egg- shell to give a gas that turns lime water milky. The solution contains
Nacl
HCl
LiCl
KCl
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
Which of the following phenomena occur when a small amount of acid is added to water?
Ionization, Neutralisation, Dilution, Salt formation
Ionization and Neutralisation,
Ionization and Dilution
Dilution and Neutralisation
Dilution and Salt formation
Which of the following salts does not contain water of crystallization?
Blue vitriol
Baking soda
Washing soda
Gypsum
A solution turns red litmus blue, its pH is likely to be
1
4
5
10
____________ is known as baking soda.
Sodium hydrogen carbonate
Sodium carbonate
Sodium hydroxide
Potassium hydroxide
The solutions which do not change the colour of either red or blue litmus are known as
Basic
Acidic
Neutral
Indicator
The acid present in ant's sting is
Citric acid
Acetic acid
Lactic acid
Formic acid
Calcium phosphate is present in tooth enamel. Its nature is
basic
acidic
neutral
amphoteric