Year :
2012
Title :
Chemistry
Exam :
JAMB Exam
Paper 1 | Objectives
41 - 45 of 45 Questions
| # | Question | Ans |
|---|---|---|
| 41. |
A compound contains 40.0% C, 6.7% H 53.3% O. If the molecular mass of the compound is 180, its molecular formula is [C =12, H =1,O] A. CH2O B. C3H6O3 C. C6H6O3 D. C6H12O6 |
|
| 42. |
The saponification of an alkanoate to produce soap and alkanol involves A. dehydration B. esterification C. hydrolysis D. oxidation |
|
| 43. |
2 - methyl propan -2- ol is an example of a A. primary alkanol B. secondary alkanol C. tertiary alkanol D. quartenary alkanol |
|
| 44. |
Ethanol reacts with concentrated tetraoxosulphate (VI) acid at a temperature above 170 oC to form A. ethanone B. ethene C. ethyne D. ethanal |
|
| 45. |
An example of oxidation - reduction enzyme is A. amylase B. protease C. lipase D. dehydrogenase |
| 41. |
A compound contains 40.0% C, 6.7% H 53.3% O. If the molecular mass of the compound is 180, its molecular formula is [C =12, H =1,O] A. CH2O B. C3H6O3 C. C6H6O3 D. C6H12O6 |
|
| 42. |
The saponification of an alkanoate to produce soap and alkanol involves A. dehydration B. esterification C. hydrolysis D. oxidation |
|
| 43. |
2 - methyl propan -2- ol is an example of a A. primary alkanol B. secondary alkanol C. tertiary alkanol D. quartenary alkanol |
| 44. |
Ethanol reacts with concentrated tetraoxosulphate (VI) acid at a temperature above 170 oC to form A. ethanone B. ethene C. ethyne D. ethanal |
|
| 45. |
An example of oxidation - reduction enzyme is A. amylase B. protease C. lipase D. dehydrogenase |