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(b) The gas spread itself uniformly throughout any containers.
(c) Indicators are required in all types of titrations.
(d) Solid sodium chloride conducts electricity.
(e) Reduction brings about a decrease in oxidation number.
(f) Catalysts are not consumed by the chemical reactions.
(g) The reaction between joule and calorie is `1J=4.18 cal.

1. Fill in the blanks with the correct word(s) ,terms. (7 marks)
   (a) Sodium hydroxide is commercially produced
   young stem with its leaves is called the root.
   (iii) Commelina is the bisexual flower which can take place self- pollination.
   (iv) After fertilization the antipodal cell disappears.
   (v) The cell of martynia are dispersed by animals.
   (vi) The maize grain consists of a yellowish patch on one side of the grain that makes the embryo.
   (vii) Fats and oils are obtained from a large variety of seeds.
   (viii) The anterior duodenum and posterior ileum constitute the small intestine.
   (ix) Diaphragm is a longitudinal partition across the body