THE UNITED REPUBLIC OF TANZANIA NATIONAL EXAMINATION COUNCIL
CHEMISRY FTNA 2016
(i) Chemistry is defined as:
(ii) A non-luminous flame is the most applicable flame for heating purposes because:
(iii) Matter is defined as anything that has:
(iv) Which of the following process is used in preventing rust of an iron?
(v) Water is a universal solvent because:
(vi) Carbon has two main isotopes, 12 C and 14 C with relative abundance of 98.89% and 1.11% respectively. Calculate the relative atomic mass of carbon.
(vii) Class F fire can best be extinguished by using
(viii)Which of the following components can be separated by filtration method?
(ix) Which of the following is the colour change when cobalt chloride paper is used to test the presence of water?
(x) All domestic utensils made of iron undergo rusting when exposed to
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.
A. Atomic number
D. Metalloids Isotopes
E. Mass number
H. Noble gases
L. Valence Atomic radii