Post Utme Chemistry Questions
Question 131:
Which of the following combination is used for metal welding? <br/>i. Oxygen and Ethyne <br/>ii. Hydrogen and Ethyne <br/>iii. Hydrogen and Oxygen <br/>iv. Ethyne, Hydrogen and Oxygen
- A I and ii
- B Iii and iv
- C I and iii
- D Ii and iv
Question 132:
A gas formed when ammonium trioxonitrate(v) is heated with sodium hydroxide
- A Hydrogen and oxygen
- B Nitrogen (IV) oxide
- C Ammonia
- D Oxygen
Question 133:
Which of the following are isomers
- A Ethanol and dimethyl ether
- B Benzene and methylbenzene
- C Ethanol and propanone
- D Trichloromethane and tetrachloromethane
Question 134:
The characteristic reaction of carbonyl compound is ____________
- A Substitution
- B Elimination
- C Addition
- D Specification
Question 135:
A balanced chemical obeys the laws of ____________
- A Conservation of mass
- B Definite proportion
- C Multiple proportion
- D Conservation of energy