Which of the following is a example of a chemical change?...
Which of the following is a example of a chemical change?
Dissoultion of salt in water
Rusting of iron
Melting of ice
Separating a mixture by distillation
Correct answer is B
No explanation has been provided for this answer.
Which of the following gases contains the least number of atoms at s.t.p? ...
In the electrolytic extraction of aluminum, the function of the molten cryolite is to ...
What is the shape of a molecule of CCI4?...
Acidic industrial waste can be treated with ...
Which of the following reactions is common to all hydrocarbones? ...
Aluminium is extracted from ...
During water treatment for town supply, water is passed through layers of send beds in order to ...
The chemical used for coagulation in water purification is ...