G8 Chemistry Quiz (10 Qs)

Choose the polymer material.

• Plastic

• Porcelain

• Clay pottery

• Fiberglass

Ceramics are made from ...

• clay

• wood

• grass

• metal

The internal structure for polymers is ...

• A long chain molecule called a polymer.

• A crystal lattice structure.

Give an example of a fossil fuel.

• Wood

• Gunpowder

• Coal

Why are fossil fuels useful for humans?

• Because we use them to make food.

• Because we use them to pollute our oceans.

• Because we use them to power our cities and vehicles.

An atom has 5 protons and 6 electrons.
What is the mass number?

• 5

• 6

• 11

An atom has one proton. What is the atom's name?

• Carbon

• Sodium

• Hydrogen

What is iron ore called?

• Hematite (rust)

• Bauxite (alumina)

What does electricity do during electrolysis?

• It melts the bauxite powder.

• It removes the charge.

Increasing the surface area will ...

• increase the reaction rate.

• decrease the reaction rate.