Year :
2001
Title :
Chemistry
Exam :
JAMB Exam
Paper 1 | Objectives
31 - 40 of 50 Questions
| # | Question | Ans |
|---|---|---|
| 31. |
The general formula for the alkanals is A. ROH B. R2CO C. RCOOR1 D. RCHO |
D |
| 32. |
The main impurity in iron ore during the extraction of iron is A. Silicon (IV) oxide B. Carbon (IV) oxide C. Calcium trioxosilicate D. Sulphur (II) oxide |
A |
| 33. |
During the vulcanization of rubber, sulphur is added to A. Break down rubber polymer B. Lengthen the chain of rubber C. Bind rubber molecules together D. Act as a catalyst |
C |
| 34. |
Catalytic hydrogenation of benzene produces A. Oil B. Cyclohexene C. Cyclohexane D. Margarine |
C |
| 35. |
A trihydric alkanol is A. Glycerol B. Phenol C. Glycol D. Ethanol |
A |
| 36. |
When chlorine Is passed into water and the resulting solution exposed to sunlight, the product formed are A. Chlorine gas and hydrogen B. Oxygen and oxochlorate (I) acid C. Chlorine gas and oxochlorate (I) acid D. Hydrochloric acid and oxygen |
D |
| 37. |
Proteins in acid solution undergo A. Polymerization B. Substitution C. Fermentation D. Hydrolysis |
D |
| 38. |
A characteristic reaction of the compounds with the general formula CnH2n is A. Esterification B. Polymerization C. Decarboxylation D. Substitution |
B |
| 39. |
The pair of organic compounds that are isomers is A. Benzene and methylbenzene B. Trichloromethane and tetrachloromethane C. Ethanol and propane D. But-1-ene and but-2-ene |
D |
| 40. |
A burning candle produces water and A. Carbon (II) oxide B. Carbon (IV) oxide C. Oxygen D. Hydrogen |
B |
| 31. |
The general formula for the alkanals is A. ROH B. R2CO C. RCOOR1 D. RCHO |
D |
| 32. |
The main impurity in iron ore during the extraction of iron is A. Silicon (IV) oxide B. Carbon (IV) oxide C. Calcium trioxosilicate D. Sulphur (II) oxide |
A |
| 33. |
During the vulcanization of rubber, sulphur is added to A. Break down rubber polymer B. Lengthen the chain of rubber C. Bind rubber molecules together D. Act as a catalyst |
C |
| 34. |
Catalytic hydrogenation of benzene produces A. Oil B. Cyclohexene C. Cyclohexane D. Margarine |
C |
| 35. |
A trihydric alkanol is A. Glycerol B. Phenol C. Glycol D. Ethanol |
A |
| 36. |
When chlorine Is passed into water and the resulting solution exposed to sunlight, the product formed are A. Chlorine gas and hydrogen B. Oxygen and oxochlorate (I) acid C. Chlorine gas and oxochlorate (I) acid D. Hydrochloric acid and oxygen |
D |
| 37. |
Proteins in acid solution undergo A. Polymerization B. Substitution C. Fermentation D. Hydrolysis |
D |
| 38. |
A characteristic reaction of the compounds with the general formula CnH2n is A. Esterification B. Polymerization C. Decarboxylation D. Substitution |
B |
| 39. |
The pair of organic compounds that are isomers is A. Benzene and methylbenzene B. Trichloromethane and tetrachloromethane C. Ethanol and propane D. But-1-ene and but-2-ene |
D |
| 40. |
A burning candle produces water and A. Carbon (II) oxide B. Carbon (IV) oxide C. Oxygen D. Hydrogen |
B |