Sulphuric acid forms a constant boiling mixture at 338 degree celcius when at ___ concentration.
45%
55%
20%
98.5%
Sulphuric acid due to its non-volatile nature forms a constant boiling mixture at a high concentration of 98.5%.
When sodium chloride is heated with sulphuric acid below a temperature of 200 degrees celcius, ___ is formed
Boiling water causes more severe burn than water vapour at 100 degree celcius.
Can water boil at -10 degree celcius or -20 degree celcius.Explain how and why?