Science Quiz

Which of the following is a good conductor?

• Rubber

• Glass

• Iron

• Plastic

Non-metals are generally:

• Lustrous

• Ductile

• Brittle

• Malleable

Iron reacts with oxygen and moisture to form:

• Copper oxide

• Rust

• Carbon dioxide

• Aluminium oxide

When vinegar reacts with baking soda, it produces:

• Carbon dioxide

• Hydrogen

• Oxygen

• Nitrogen

A change in which a new substance is formed is called a:

• Physical change

• Chemical change

• Reversible change

• Fast change

Metals are used for electrical wires because they are:

• Poor conductors

• Good conductors

• Brittle

• Insulators