1990 - JAMB Chemistry Past Questions and Answers - page 2
Which of the following tests will completely identify anyone of surphur (VI) oxide, hydrogen, carbon (IV) oxide and nitrogen (II) oxide?
In the Haber process for the manufacture of ammonia, the catalyst commonly used is finely divided ?
A metallic oxide which reacts with both HCl and NaOH to give salt and water only can be classified as?
Which of the following metals will liberate hydrogen from steam or dilute acid?
Coal fire should not be used in poorly ventilated rooms because ?
The major component of the slag from the production of iron is?
Sodium hydrogen should be stored in properly closed containers because it?
To make coloured glasses, small quantities of oxides of metals which form coloured silicates are often added to the reaction mixture consisting of Na2CO3 and SiO2. Such a metals is a?.
Which of the following compounds gives a yellow residue when heated and also reacts with aqueous sodium hydroxide to give a white gelatinous precipitate soluble in excess sodium hydroxide solution?
A cycloalkane with the molecular formula C5H10 has ?