THE UNITED REPUBLIC OF TANZANIA NATIONAL EXAMINATION COUNCIL
CHEMISRY FTNA 2015
(i) Which of the following is the most correct statement about hypothesis?
(ii) Which of the following is not among the gases composing air?
(iii) When an atom loses or gains electron, it becomes:
(iv) A change from gaseous state to solid state without passing through a liquid state is called:
(v) What is the type of a fire associated with electrical equipment?
(vi) Which among the following are the two processes involved during distillation?
(vii) Which of the following set of nuclide notation represents isotopes?
(viii) The chemical used to test the presence of water in a substance is:
A. Cobalt Il oxide B. Cobalt 111 oxide
C.Cobalt chloride D. Copper Il chlorideChoose Answer :
(ix) When a burning fuel produces blue colour it means there is:
A.adequate supply of oxygen with production of soot
B.inadequate supply of oxygen with production of more heat.
C. inadequate supply of oxygen with production of soot.
D.adequate supply of oxygen with production of more heat.Choose Answer :
(x) Which of the following is the best apparatus for measuring accurately a fixed volume of a given solution?
A. Measuring cylinder B. Beaker
C. Pipette D. BuretteChoose Answer :
2. Match each item in List A with a correct response in List B by writing its letter bellow the number of the corresponding item in the table provided.
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D. T r a n s i t i o n
F. Alkali metals
H. Periodic law
I. Alkali earth metals
J. Rare non metals
L. Noble gases
M. Periodic table