Search and browse 1000’s of questions from past papers and view answers.
Define first ionisation energy
(2013)
Define a base according to (i) the Arrhenius theory, (ii) the Brønsted-Lowry theory
An arrangement to demonstrate the electrolysis of molten lead bromide (PbBr2) using inert electrodes is shown in the diagram. The demonstration is carried out in a fume cupboard
Answer the following questions with respect to the chemical industry
A batch of washing soda crystals (hydrated sodium carbonate, Na2CO3 . xH2O) had lost some of its water of crystallisation by a process called efflorescence
(2014)