Chemistry

Chemicals that are produced in small quantities and with very high degree of purity are?

A. bulk chemicals B. fine chemicals C. heavy chemicals D. light chemicals Correct Answer: Option B B. fine chemicals

6 years ago

A hydrocarbon containing 88.9% carbon has the empirical formula [H = 1 C = 12]

A. CH B. CH2 C. C2H3 D. C2H5 Correct Answer: Option C C. C2H3 Explanation element: C | H Atomic…

6 years ago

Arrange the following compounds in order of increasing boiling point.

l. CH3CH2CH2OH II. CH3CH2OH III. CH3CH2CH2CH2OH IV. CH3CH2CH2CH2CH3 A. I < II < IV < III B. IV < III…

6 years ago

What is the main type of reaction alkenes undergo?

A. Addition B. Condensation C. Elimination D. Substitution Correct Answer: Option A A. Addition

6 years ago

The hydrolysis of groundnut oil by potassium hydroxide is known as?

A. hydrogenation B. saponification C. esterification D. neutralization Correct Answer: Option B B. saponification

6 years ago

When ethanol is heated with excess concentrated tetraoxosulphate (VI) acid, the organic product formed is?

A. ethanal B. ethanoic acid C. ethane D. ethene Correct Answer: Option D D. ethene

6 years ago

Which of the following compounds would not give a precipitate with an ammoniacal AgNO3 solution?

A. CH3C≡CCH3 B. HC≡CH C. CH3C≡CH D. CH3CH2C≡CH Correct Answer: Option A A. CH3C≡CCH3

6 years ago

A mixture of kerosene and diesel oil can be separated by?

A. crystallization B. distillation C. precipitation D. sublimation Correct Answer: Option B B. distillation

6 years ago

Calculate the quantity of electricity passed when 0.4 A flows for 1 hour 20 minutes through an electrolytic cell?

A. 4800C B. 3840 C C. 1920 C D. 32 C Correct Answer: Option C C. 1920 C

6 years ago