Answers Which of the following gives a precipitate when treated with NaOH solution? Which of the following gives a precipitate when treated with NaOH solution? A. AlCl3 B. NH4CL C. CH3COONa… Read More
Answers An example of element that can catenate is An example of element that can catenate is A. bromine B. nitrogen C. chlorine D. carbon Correct Answer:… Read More
Answers Ethanol can easily be produced by Ethanol can easily be produced by A. fermentation of starch B. distillation of starch solution C. catalytic oxidation… Read More
Answers The gas that gives brown colouration in brown ring test is The gas that gives brown colouration in brown ring test is A. NO B. CO2 C. NO2 D.… Read More
Answers The property which makes alcohol soluble in water is the The property which makes alcohol soluble in water is the A. boiling point B. hydrogen bonding C. ionic… Read More
Answers Steam changes the colour of anhydrous cobalt (II) chloride from Steam changes the colour of anhydrous cobalt (II) chloride from A. blue to pink B. white to red… Read More
Answers The substance least considered as a source of environmental pollution is The substance least considered as a source of environmental pollution is A. Lead compounds B. Organophosphorous compounds C.… Read More
Answers The furring of kettles is caused by the presence in the water of The furring of kettles is caused by the presence in the water of A. Calcium tetraoxosulphate (VI) B.… Read More
Answers The furring of kettles is caused by the presence in the water of The furring of kettles is caused by the presence in the water of A. Calcium tetraoxosulphate (VI) B.… Read More
Answers 25cm3 of a 0.2 mol dm3 solution of Na2CO3 requires 20 cm3 of a solution… 25cm3 of a 0.2 mol dm3 solution of Na2CO3 requires 20 cm3 of a solution of HCl for… Read More