Jamb Chemistry Past Questions For Year 1998
Question 36
In the experiment above, X could be a solution of
- A. sodium trioxonitrate (V) and ammonium chloride
- B. sodium trioxonitrate (lll) and ammonium chloride
- C. lead (ll) trioxonitrate (V) and copper turnings
- D. potassium trioxonitrate (V) and copper turnings
Question 37
In the diagram above , the activation energy for the backward reaction is
- A. +5kJ
- B. +15KJ
- C. +25KJ
- D. +30KJ
Question 38
The diagram above represents an atom that can combine with chlorine to form
- A. a covalent bond
- B. an electrovalent bond
- C. a hydrogen bond
- D. a co-ordinate bond
