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Questions and Answers
Which of the following is a greenhouse gas?
Which of the following is a greenhouse gas?
- Nitrogen (N2)
- Methane (CH4) (correct)
- Oxygen (O2)
- Argon (Ar)
What is the chemical symbol for gold?
What is the chemical symbol for gold?
- Au (correct)
- Al
- Fe
- Ag
Which process involves the conversion of a solid directly into a gas without passing through the liquid state?
Which process involves the conversion of a solid directly into a gas without passing through the liquid state?
- Evaporation
- Sublimation (correct)
- Fusion
- Condensation
Which of the following is an acidic oxide?
Which of the following is an acidic oxide?
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