IGCSE Chemistry

Choose the most reactive metal

• calcium

• magnesium

• iron

• copper

Aluminium + Iron oxide -->

• aluminium

• oxide

• aluminium oxide and iron

• iron

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Metals that react quickly/strongly with water and acids are called?

• Reactive

• Unreactive

• Dangerous

• Corrosive

Tags

NGSS.MS-PS1-2

Steel is made of

• iron and carbon

• copper and iron

• tin and carbon

• aluminum and nickel

Tags

NGSS.MS-PS1-1

Brass is an alloy made of

• copper and zinc

• copper and tin

• copper and nickel

• copper and aluminum

What structure do metals have?

• lattice

• bit wobbly

• some metals, some non-metals joined together

Which of these is a property of a metal?

• a good insulator

• always liquid at room temp

• conducts electricity

• rude

Which of the following is a property of lead?

• High conductivity

• Soft and heavy

• High tensile strength

• Lightweight

Why is copper commonly used in household electrical wiring?

• Malleability

• Ductility and conductivity

• Brittleness

• Resistance to rust

During a science fair, a group of students presented a project on metals and their compositions. They displayed various samples, including Brass, Lead, Wrought Iron, and Stainless Steel. Which of these samples is not an alloy?

• Brass

• Lead

• Wrought Iron

• Stainless Steel