What is a metal ore?

Important Questions on Making Use of Metals

EASY

Upper Secondary: IGCSE

IMPORTANT

Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 14 - Making Use of Metals>Q>Q 8

Name the main ore of sodium. What is the main compound in the ore?

EASY

Upper Secondary: IGCSE

IMPORTANT

Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 14 - Making Use of Metals>Q>Q 8

Name the main ore of aluminium. What is the main compound in the ore?

EASY

Upper Secondary: IGCSE

IMPORTANT

Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 14 - Making Use of Metals>Q>Q 1

Why is no chemical reaction needed to get gold?

EASY

Upper Secondary: IGCSE

IMPORTANT

Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 14 - Making Use of Metals>Q>Q 4

Sodium is extracted from rock salt (sodium chloride). Electrolysis is needed for this. Explain why.

EASY

Upper Secondary: IGCSE

IMPORTANT

Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 14 - Making Use of Metals>Q>Q 4

Sodium is extracted from rock salt (sodium chloride). Write a balanced equation for the reaction. 

EASY

Upper Secondary: IGCSE

IMPORTANT

Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 14 - Making Use of Metals>Q>Q 5

Zinc blende is an ore of zinc. It is mainly _____ ?

EASY

Upper Secondary: IGCSE

IMPORTANT

Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 14 - Making Use of Metals>Q>Q 6

Describe the extraction of zinc by electrolysis.

EASY

Upper Secondary: IGCSE

IMPORTANT

Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 14 - Making Use of Metals>Q>Q 1

Write the equation for the redox reaction that gives iron.