Chemistry

A second alkanol can be oxidized to give an?

A. alkanone B. alkyne C. alkanoic acid D. alkanal Correct Answer: Option A A. alkanone

6 years ago

The oxide from electric power station is?

A. carbon (IV) oxide B. copper (ll) oxide C. nitrogen (IV) oxide D. sulphur (IV) oxide Correct Answer: Option B…

6 years ago

The most common process in the extraction of metals from their ore is?

A. catalysis B. electrolysis C. oxidation D. reduction Correct Answer: Option D D. reduction

6 years ago

Which of the following gases is used to retard the vaporization of the filament in a light bulb?

A. Argon B. Helium C. Hydrogen D. Oxygen Correct Answer: Option A A. Argon

6 years ago

The production of biogas from the fermentation of waste materials is an example of?

A. combustion B. incineration C. refining D. recycling Correct Answer: Option D D. recycling

6 years ago

Which of the following organic compounds could be represented by the empirical formula CH2O?

A. Ethanal B. Ethane C. Ethanol D. Ethanoic acid Correct Answer: Option D D. Ethanoic acid

6 years ago

The liquid hydrocarbon likely to be found in the fraction of crude oil used for domestic cooking is?

A. C3H8 B. C5H12 C. C13H28 D. C20H42 Correct Answer: Option B

6 years ago

A colourless hydrocarbon with a sweet smell undergoes substitution reaction. The hydrocarbon is likely to be?

A. alkanol B. benzene C. ester D. methane Correct Answer: Option C C. ester

6 years ago

The enzyme that catalyses the conversion of glucose te ethanol and carbon (IV) oxide is?

A. diastase B. maltase C. ptyalin D. zymase Correct Answer: Option D D. zymase

6 years ago

The IUPAC name of the following organic compound is HOOC – COOH?

A. ethan - 1, 2 -dioc acid B. ethanoic acid C. oxalic acid D. propan - 1,2-dioic acid Correct Answer:…

6 years ago