Answers Calcium hydroxide is added in the treatment of town water supply to Calcium hydroxide is added in the treatment of town water supply to A. kill bacteria in the water B. facilitate coagulation of organic particles C. facilitate sedimentation D. improve the taste of the water Correct Answer: Option B Explanation
Answers Which is not exported by the Republic of South Africa? Which is not exported by the Republic of South Africa? A. Wines B. Maize C. Wool D. Coffee… Read More
Answers Choose the option nearest in meaning to the underlined word(s). Lantana dwelt in a ruined… Choose the option nearest in meaning to the underlined word(s). Lantana dwelt in a ruined cottage on the… Read More
Answers All the heat generated by a current of 2A passing through a resistor of 6Ω… All the heat generated by a current of 2A passing through a resistor of 6Ω for 2.5s is… Read More
Answers Potassium tetraoxomanganate (VII) is often added to impure water to? Potassium tetraoxomanganate (VII) is often added to impure water to? A. reduce organic impurities B. reduce inorganic impurities… Read More
Answers If (x = begin{pmatrix} 2 \ 3 end{pmatrix}, y = begin{pmatrix} 5 \ -2… (a) If (x = begin{pmatrix} 2 \ 3 end{pmatrix}, y = begin{pmatrix} 5 \ -2 end{pmatrix}) and (z… Read More