SC-341
Particle model of matter
Lower Sec Science · Secondary 1 · Hard · Particle model of matter
A student mixes 60 cm³ of liquid A with 40 cm³ of liquid B. The total volume becomes 95 cm³. Which hypothesis about the particles best explains this decrease in total volume?
- Particles have no spaces between them.
- There are empty spaces between particles of liquids.
- Liquid particles are fixed in position and only vibrate.
- Liquid particles cannot move past one another.
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