The formula of sodium hydroxide is _______ .
Na2O
NaOH
Na(OH)2
Na2CO3
The formula of sodium hydroxide is NaOH.
Define a chemical formula. What is the chemical formula of sulphuric acid and Sodium hydroxide?
A metal salt (M) on reacting with sodium hydroxide forms sodium sulphate and a gelatinous white precipitate of a metal hydroxide. The precipitate is soluble in excess of sodium hydroxide. Identify M.
Write the following in the form of a word equation:
2NaOH + CaBr2 → Ca(OH)2 + 2NaBr
In the formula CaBr2 what does Ca stand for and what is its valency?
Write the chemical formulae of the following.
(a) Hydrogen sulphide
(b) Aluminium oxide
(c) Sodium nitrate
(d) Calcium hydroxide