Exploring Carbon and Its Compounds

What are the three main allotropes of carbon?

• coal, charcoal, graphene

• silicon, germanium, arsenic

• diamond, quartz, graphite

• diamond, graphite, fullerenes

Which allotrope of carbon is known for its hardness?

• Diamond

• Carbon Nanotubes

• Fullerenes

• Graphite

What is the simplest hydrocarbon?

• methane

• propane

• butane

• ethane

Name the two main types of hydrocarbons.

• Linear and Cyclic

• Aliphatic and Aromatic

• Saturated and Unsaturated

• Organic and Inorganic

What is the general formula for alkanes?

• CnH(2n-2)

• CnH(2n+2)

• CnH2n

• C(n-1)H(2n+1)

What functional group is present in alcohols?

• Carboxyl group (-COOH)

• Amino group (-NH2)

• Carbonyl group (C=O)

• Hydroxyl group (-OH)

What is the functional group of carboxylic acids?

• -OH

• -CHO

• -COOH

• -CO

Which type of hydrocarbon contains at least one double bond?

• Aromatics

• Cycloalkanes

• Alkenes

• Alkanes

What is the primary use of carbon dioxide in the beverage industry?

• To enhance flavor profiles.

• To preserve freshness of ingredients.

• To add color to drinks.

• To carbonate beverages.

How does carbon dioxide contribute to the greenhouse effect?

• Carbon dioxide contributes to the greenhouse effect by trapping heat in the atmosphere.

• Carbon dioxide is a primary source of oxygen in the atmosphere.

• Carbon dioxide has no effect on temperature changes.

• Carbon dioxide cools the atmosphere by reflecting sunlight.