Metals — Extraction and Metallurgy
Science · Grade 10 · Week 29 · 25 questions
Metals and non-metals have distinct physical and chemical properties that determine how we use them. Understanding these properties explains why gold conducts electricity and why rubber doesn't.
What you'll practise
- Compare physical properties of metals and non-metals
- Describe chemical reactions of metals
- Understand the reactivity series
- Explain extraction and uses of metals
All 25 questions in this Metals — Extraction and Metallurgy quiz
Grade 10 Science — Metals — Extraction and Metallurgy: 25 practice questions with instant scoring and explanations.
- Which ore is concentrated using magnetic separation?
- Roasting is used for ores containing:
- In the thermite reaction, temperature reached is approximately:
- The process of removing impurities from crude metal is called:
- Which metal is extracted by electrolytic refining?
- In electrolytic refining of copper, the anode is:
- What is the main ore of aluminum?
- An alloy is a mixture of:
- Bronze is an alloy of:
- Brass is an alloy containing:
- Steel is an alloy of:
- Calcination involves heating ore in the:
- Which ore is concentrated by froth flotation?
- In the thermite reaction: Al + Fe₂O₃ → Al₂O₃ + Fe, Al acts as:
- The main ore of iron is:
- Smelting is the process of:
- Which metal can be extracted by carbon reduction?
- Pure copper is obtained from impure copper by:
- Duralumin is an alloy of:
- The ore galena contains:
- In electrolytic refining, the cathode deposits:
- Which method is used to concentrate copper ores?
- Stainless steel contains:
- Which ore undergoes leaching process?
- The main purpose of roasting is to convert:
Question 1 of 250 correct so far