Chemistry

The compound that makes palm wine taste sour after exposure to the air for few days is?

A. Ethanol B. Ethanoic acid C. Methanol D. Methanoic acid Correct Answer: Option A A. Ethanol

6 years ago

Ripening of fruits is hastened by using?

A. Ethanol B. Ethane C. Ethene D. Ethyne Correct Answer: Option C C. Ethene

6 years ago

When a compound X is heated with concentrated tetraoxosulphate(VI)acid, it produces an alkene. X ia an?

A. Alkane B. Alkanol C. Alkanoate D. Alkyne Correct Answer: Option B B. Alkanol

6 years ago

Amino acids are obtained from proteins by?

A. Hydrolysis B. Oxidation C. Polymerization D. Reduction Correct Answer: Option A A. Hydrolysis

6 years ago

The oxidation number of sulphur is +4 in?

A. Na2S2O3 B. H2SO3 C. H2SO4 D. SO3 Correct Answer: Option B B. H2SO3

6 years ago

Which of the following substances is a non-electrolyte?

A. H2SO4 B. CH3COOH C. C6H12O6 D. NH4Cl Correct Answer: Option C C. C6H12O6 Explanation Glucose (sugar) readily dissolves in…

6 years ago

Chlorine water is used as a bleaching agent because it is?

A. An acidic solution B. An alkaline solution C. An oxidizing agent D. A reducing agent Correct Answer: Option C…

6 years ago

The quality of electricity required to discharge 1 mole of univalent ion is?

A. 9600C B. 48250C C. 96500C D. 193000C Correct Answer: Option C C. 96500C

6 years ago

A compound with molecular formula CH2O2 is?

CH2O2 A. A Carbohydrate B. A Carboxylic acid C. An alkanol D. An ester Correct Answer: Option B B. A…

6 years ago

Which of the following bonds are broken when ethanol is boiled?

I. Covalent bonds II. Ionic bonds III. Hydrogen bonds A. I only B. II only C. III only D. I,…

6 years ago