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Questions and Answers
Which of the following is an example of a chemical reaction?
Which of the following is an example of a chemical reaction?
- Cutting paper
- Melting ice
- Burning wood (correct)
- Boiling water
Which subatomic particle has a negative charge?
Which subatomic particle has a negative charge?
- Electron (correct)
- Neutron
- Photon
- Proton
What is the process of converting a solid directly into a gas called?
What is the process of converting a solid directly into a gas called?
- Condensation
- Sublimation (correct)
- Evaporation
- Solidification
