2011 - JAMB Chemistry Past Questions and Answers - page 3

In the laboratory preparation of oxygen, dried oxygen is usually collected over

The property of concentrated H₂SO₄ that makes it suitable for preparing HNO₃ is its

Bronze is preferred to copper in the making of medals because it

The constituents of baking powder that makes the dough to rise is

The ability of carbon to form long chains is referred to as

Which of the following compounds will undergo polymerization reaction?

The compound above exhibits

An organic compound has an empirical formula CH₂O and vapour density of 45.
What is the molecular formula?
[C = 12, H = 1, O = 16]

At 25^o and zymase as catalyst,
C₆H₁₂₆ → 2C₂H₅OH + 2CO₂ + energy
The reaction above represented by the equation above is useful in the production of

The number of isomers that can be obtained from C₄H₁₀ is