. Write TRUE or FALSE for each of the following statements. (7 marks)
(a) The ‘d’ sub shell can have the minimum number of 10 electrons.
(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.
I.Write TRUE or FALSE for the following statement . (4 marks)
(a) Mealting of a ice is a heat absorbing process.
(b) Mercury (II) oxide is an element .
(c) Oxygen is very soluble in water.
(d) Different samples of same compound contain the different elements in fixed problem.
II.Fill in the blanks with the suitable word or words. (4 marks)