Pulleys Plastic, Triple-Parallel, Steel Frame, With Hooks At Each End Carrying Three Plastic Pulleys Each Of Diameter 50 mm, Inner Gap Of Pulley Measures 4 mm, Overall Length Is 8.9 Cm. Capable Of Holding Over 30 Lbs Of Weight.
Acids and bases, Students will learn about acids and bases through a class discussion and then test a dilute acid and dilute base with neutral litmus paper to learn how the paper indicates something is acidic or basic.
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