Oxidation takes place at the anode during electrolysis because the anode

In dry Leclanche cell, manganese (IV) oxide acts as

A hydrocarbon containing 88.9% carbon has the empirical formula [H = 1 C = 12]

Arrange the following compounds in order of increasing boiling point L.CH 3CH2CH2OH II.CH 3CH 2OH III.CH3CH2CH2CH2OH IV. CH3CH 2CH2CH 2CH 3

What is the main type of reaction alkenes undergo?

The hydrolysis of groundnut oil by potassium hydroxide is known as

When ethanol is heated with excess concentrated tetraoxosulphate (VI) acid, the organic product formed is

Which of the following alloys is mainly used in making statues?

Aluminium is a good  roofing material because it

Chemicals that are produced in small quantities and with very high degree of purity are

Which of the following substances causes the depletion of the ozone layer in the atmosphere?

A solution of a salt was acidified with HCI when a few drops of BaCI2 solution were added, a white precipitate was formed. Which of the following anions is present in the salt?

Chemicals that are produced in small quantities and with very degree of purity are

2008 WAEC SSCE Chemistry Past Questions