Which of the following substances is a mixture?
...Which of the following substances is a mixture?
Sulphur powder
Bronze
Distilled water
Ethanol
Correct answer is B
Bronze is a mixture of copper and tin. Water is a compound of the elements hydrogen and oxygen.
The two ions responsible for hardness in water are ...
Which of the following substances is mainly responsible for the depletion of the ozone layer? ...
The formula CH2 for ethanoic acid is regarded as its...
Which of the following ions is acidic? ...
Sodium metal is always kept under oil because it ...