Polystyrene is widely used as packaging materials for fragile objects during transportation because of its

A hydrocarbon has an empirical formula CH and a vapour density of 39. Determine its molecular formula.[C = 12, H = 1]

CH3COOC2H5(1) + H2O(1) ⇌ CH 3COOH (aq) + C 2H 5OH (aq)The purpose of H+ in the reaction above is to

The polymer used in making car rear lights is

The petroleum fraction that is used in heating furnaces in industries is

<img alt="" class="alignnone size-full wp-image-244766" height="163" src="https://data.ulearngo.com/assets/5a2f2d22-504c-4aa2-a361-ad103381c53b" width="300"/>The gas that is removed by the water in the flask is

<img alt="" class="alignnone size-full wp-image-244766" height="163" src="https://data.ulearngo.com/assets/1c7a760b-ed19-49d4-81bd-186f7135909d" width="300"/>In the diagram, the function of the concentrated H2SO4 is to

<img alt="" class="alignnone size-full wp-image-244773" height="194" src="https://data.ulearngo.com/assets/e63a0946-d5d4-4f19-8b08-c3c884a51fee" width="300"/>Z in diagram above represents

2014 JAMB UTME Chemistry Past Questions

Polystyrene is widely used as packaging materials for fragile objects during transportation because of its

A hydrocarbon has an empirical formula CH and a vapour density of 39. Determine its molecular formula.[C = 12, H = 1]

CH3COOC2H5(1) + H2O(1) ⇌ CH 3COOH (aq) + C 2H 5OH (aq)The purpose of H+ in the reaction above is to

The polymer used in making car rear lights is

The petroleum fraction that is used in heating furnaces in industries is

The gas that is removed by the water in the flask is

In the diagram, the function of the concentrated H2SO4 is to

Z in diagram above represents