____________ is known as baking soda.
Sodium hydrogen carbonate
Sodium carbonate
Sodium hydroxide
Potassium hydroxide
Which of the following is used tor dissolution of gold?
Hydrochloric acid
Sulphuric acid
Nitric acid
Aqua- regia
Oxalic acid is found in
Curd
Spinach
Amla
Onion
The reaction between an acid and a base is known as _______________ reaction.
Neutralisation
Addition
Substitution
Combustion
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
The turmeric stain on a white shirt is turned to ----------when it is washed with soap.
blue
Red
Green
Yellow
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 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
