4.3 Metal Extraction Quiz

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4.3 Metal Extraction Quiz


4.3 Metal Extraction QuizVersión en línea Science Form 3 por NUR ANISAH BINTI RIDZUAN . 1 What is extraction of metals? a B. Separating metals from ores b D. Cleaning metals c A. Mixing metals with water d C. Cooling molten metals 2 Metals higher than carbon in the reactivity series are extracted by: a A. Heating b B. Reduction with carbon c D. Filtration d C. Electrolysis 3 Metals lower than carbon in the reactivity series are extracted by: a B. Reduction with carbon b C. Electrolysis c A. Distillation d D. Condensation 4 Which process extracts metals through direct heating? a C. Heating metallic compounds b B. Filtration c D. Condensation d A. Electrolysis 5 Iron is extracted from its ore using a: a C. Cooling chamber b B. Blast furnace c D. Filter funnel d A. Water tank 6 Which substance is added into the blast furnace? a C. Iron ore b A. Sand c D. Salt d B. Sugar 7 Which material acts as a reducing agent in the blast furnace? a C. Coke b D. Oxygen c A. Water d B. Limestone 8 Which gas is pumped into the bottom of the blast furnace? a D. Carbon dioxide b B. Hydrogen c A. Nitrogen d C. Hot air 9 What happens to iron produced in the furnace? a B. It melts and flows downward b C. It floats on water c A. It evaporates d D. It changes into gas 10 Solidified molten iron is known as: a A. Steel b B. Alloy c D. Slag d C. Cast iron 11 Slag is: a D. A fuel b C. Oxygen gas c A. Pure iron d B. Waste material formed during extraction 12 Why does slag float on molten iron? a D. It is colder b B. It is less dense c C. It is magnetic d A. It is heavier 13 Slag can be used for making: a D. Paper b A. Clothes c C. Building bases d B. Plastics 14 Another use of slag is: a B. Making fuel b A. Road construction c C. Water treatment d D. Food processing 15 Which of the following is a mining issue? a A. Increased biodiversity b C. Better water quality c D. Increased forest area d B. Soil erosion 16 Water pollution in mining is caused by: a C. Recycling materials b B. Cleaning of ores c D. Cooling metals d A. Planting trees 17 Air pollution in mining may occur due to: a C. Plant growth b B. Rainfall c D. Photosynthesis d A. Burning of fuels 18 Mining machinery causes: a C. Sound pollution b D. Soil fertility c B. Light pollution d A. Water pollution 19 Construction of mines can lead to: a C. Better ecosystems b A. Habitat destruction c B. Increased wildlife d D. Cleaner air 20 Mining activities use a large amount of: a A. Oxygen b B. Electrical energy c D. Food d C. Plastic

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4.3 Metal Extraction Quiz

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4.3 Metal Extraction QuizVersión en línea

por NUR ANISAH BINTI RIDZUAN .

What is extraction of metals?

Metals higher than carbon in the reactivity series are extracted by:

Metals lower than carbon in the reactivity series are extracted by:

Which process extracts metals through direct heating?

Iron is extracted from its ore using a:

Which substance is added into the blast furnace?

Which material acts as a reducing agent in the blast furnace?

Which gas is pumped into the bottom of the blast furnace?

What happens to iron produced in the furnace?

Solidified molten iron is known as:

Slag is:

Why does slag float on molten iron?

Slag can be used for making:

Another use of slag is:

Which of the following is a mining issue?

Water pollution in mining is caused by:

Air pollution in mining may occur due to:

Mining machinery causes:

Construction of mines can lead to:

Mining activities use a large amount of: