Fill in the following blanks with suitable words : (a) The process of burning of a hydrocarbon in the presence of air to give CO2, H2O, heat and light is known as ___ (b) The sodium salt of a long chain fatty acid is called ___ (c) ___ is better than soap for washing clothes when the water is hard. (d) The organic acid present in vinegar is ___
Fill in the following blanks with suitable words :
(a) Acids have a pH ___ than 7.
(b) Alkalis have a pH ___ than 7.
(c) Neutral substances have a pH of __
(d) The more acidic a solution, the ___ the pH.
(e) The more alkaline a solution, the ___ the pH.