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Types of Reactions Lab
Submitted by: Brianne R
Recommended Grade Level(s):
Appropriate for: Grade 9 Physical Science
Grades 10–12 Chemistry
Time Requirements:
Prep Time: 30 minutes
Activity Time: 50 minutes
Teaching Topics & Concepts:
Balancing and classifying types of reactions
National Science Standards Alignment
MS-PS1-5. Develop and use a model to describe how the total number of atoms does not change in a chemical reaction and thus
mass is conserved. Use mathematical representations to support the claim that atoms, and therefore mass, are conserved during a
chemical reaction. HS-PS1-7.
Materials:
• Magnesium Ribbon
• Bunsen burner
• Watch glass
• Tongs
• Test tube rack
• Test tubes
• 1M KI
• Lead (II) Nitrate solution
• Disposal container for lead
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Safety
• Read the SDS sheets for all chemicals before using them.
• Wear safety glasses at all times
• Hydrochloric acid is a highly corrosive, strong inorganic/mineral acid. If not stored and handled properly,
this can pose a serious threat to the health and safety of laboratory personnel
• CAUTION: DO NOT POUR IN SINK!!!! LEAD IS TOXIC!!!
• Magnesium burns extremely bright and hot. Avoid looking directly at it while its burning.
• Hydrogen peroxide can cause irritation to the eyes, nose, skin, and throat
!
• 25 mL Erlenmeyer flask
• 400 mL beaker
• Dish soap
• Food coloring
• Wood splints
• Magnesium shavings
• 3M HCl
• Lighter
• 30% H2O2
