could be used to remove. Aluminium hydroxide is used in the dyeing industry as. (ii) When is an indicator said to be most suitable for an acid-bas titration?
Chemistry essay answers 2018
Adding concentrated H2SO4. Substance, melting point/oC, boiling point/oC, solubility in water at 25oC. (d) Explain briefly the observation that increase in temperature generally increases the rate of reaction. In the laboratory preparation of trioxonitrate (V) acid the nitrogen(iv) oxide formed as a by-product is removed. Filed in, exam, waec News by, editorial Staff on March 18, Comments, aDS: contact Banabas Angyer @ for Study Abroad Guide, wAEC Chemistry Questions 2018 and How to Check OBJ and Theory Answers. (ii) What effect will it have on litmus paper? The compound was found to contain 80 carbon by mass. In the laboratory preparation of ethyl ethanoate, the water present in the mixture is removed using a solution. ;HOW TO subscribe;.direct TO mobile AS SMS:-, on this Direct mobile package we will send the Obj Essay directly to your submitted phone numbers as early as we can Send, n8 00 MTN card. Section A of the syllabus) and two other questions from the Section of the syllabus which is peculiar to the country of the candidate (i.e. (ii) Mention the catalyst that could be used to increase the rate of reaction in 6(b i).
Calculated mount of iodine;. B and, c react when heated, describe how a mixture. (d) (i) Write the structure of the amino acid, CH3CH(NH2)cooh in:. 1, 2,. (c) State two differences between conductors and electrolytes.