Chemistry quiz worksheet with fill-in-the-blank and multiple-choice questions.

A quiz worksheet titled "Introduction to Chemistry" with 10 questions covering topics like DEG, fertilizers, DDT, teeth whiteners, hydrocarbons, fossil fuels, solar energy, renewable resources, nuclear fission, and fusion.

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Final Answer:
1. DEG is used in some antifreeze formulations
2. Excess use of fertilisers may lead to yellowing (or chlorosis) of leaves.
3. The full form of DDT is Dichloro-Diphenyl-Trichloroethane
4. Hydrogen peroxide is a teeth whitener.
5. Methane is the compound of hydrogen and carbon only. *(Note: Other hydrocarbons like ethane, propane also fit, but methane is the simplest and most commonly expected answer at intro level.)*
6. Coal, oil and natural gas are examples of fossil fuels
7. A device that can convert sunlight directly to electricity is solar cell (or photovoltaic cell)
8. Resources that do not run out are called renewable resources
9. This process is used in nuclear power plants — B) Fission
10. This process is how the sun produces energy — A) Fusion

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