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Questions and Answers
What is the property called when metals, in their pure state, have a shining surface?
What is the property called when metals, in their pure state, have a shining surface?
What activity involves trying to cut small pieces of iron, copper, aluminium, and magnesium with a sharp knife?
What activity involves trying to cut small pieces of iron, copper, aluminium, and magnesium with a sharp knife?
What metal should be handled with care and dried by pressing between the folds of a filter paper before attempting to cut it with a knife?
What metal should be handled with care and dried by pressing between the folds of a filter paper before attempting to cut it with a knife?
What is the purpose of rubbing the surface of metal samples with sandpaper in Activity 3.1?
What is the purpose of rubbing the surface of metal samples with sandpaper in Activity 3.1?
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Which metal is not specifically mentioned as a sample for the activities?
Which metal is not specifically mentioned as a sample for the activities?
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Study Notes
Metal Properties
- Metals, in their pure state, have a shining surface due to their high reflectivity, a property known as lustre.
Metal Cutting Activity
- Cutting small pieces of iron, copper, aluminium, and magnesium with a sharp knife is an activity to demonstrate their ductility.
Metal Handling
- Magnesium should be handled with care and dried by pressing between the folds of a filter paper before attempting to cut it with a knife to prevent it from igniting.
Metal Sample Preparation
- Rubbing the surface of metal samples with sandpaper is done to clean and remove any oxide layers, allowing for a fresh surface.
Metal Samples
- Sodium is not specifically mentioned as a sample for the activities.
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Description
Learn about grouping substances based on their physical properties with this quiz. Explore activities involving metals like iron, copper, aluminum, and magnesium to understand their properties. Perfect for students studying chemistry or science enthusiasts interested in practical experiments.
