Chemistry

The diagram below represents the formation of?

A. a metallic bond B. an electrovalent bond C. a covalent bond D. a coordinate covalent bond Correct Answer: Option…

4 years ago

When sodium reacts with water; the resulting solution is?

A. Weakly acidic B. Neutral C. Acidic D. Alkaline Correct Answer: Option D - Alkaline

4 years ago

Which of the following represent hybridization in ethyne?

A. Sp² B. Sp²d C. Sp³ D. Sp Correct Answer: Option D - Sp

4 years ago

Which of the following metals burn with brick red flame?

A. Pb B. Ca C. Na D. Mg Correct Answer: Option B - Ca

4 years ago

The gas that can best be collected by downward displacement of air is?

A. Chlorine B. Sulphur (IV) oxide C. Ammonia D. Carbon (IV) oxide Correct Answer: Option C - Ammonia

4 years ago

A burning candle produces water and?

A. Carbon (II) oxide B. Carbon (IV) oxide C. Oxygen D. Hydrogen Correct Answer: Option B - Carbon (IV) oxide

4 years ago

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 Correct Answer: Option D - But-1-ene and…

4 years ago

A characteristic reaction of the compounds with the general formula CnH2n is?

A. Esterification B. Polymerization C. Decarboxylation D. Substitution Correct Answer: Option B - Polymerization

4 years ago

Proteins in acid solution undergo?

A. Polymerization B. Substitution C. Fermentation D. Hydrolysis Correct Answer: Option D - Hydrolysis

4 years ago

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…

4 years ago