Advanced Science Primary 4 Energy

Three beakers are made of different materials. Beaker A allows 95% of light to pass through, Beaker B allows 40%, and Beaker C allows 0%. Which beaker is most suitable for protecting light-sensitive chemicals?

A None of the beakers
B Beaker A
C Beaker B
D Beaker C
Show Worked Solution

Worked Solution

Step 1: Light-sensitive chemicals need to be kept in the dark. Step [2-9]: Beaker C allows 0% light through, making it opaque. Step [2-9]: An opaque material provides the best protection from light.

Correct answer: Beaker C

Want more questions like this? Superholic Lab has 10,000+ MOE-aligned questions with full worked solutions.

Start Free Trial — 7 Days Free