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Questions and Answers
What is the boiling point of water at sea level?
What is the boiling point of water at sea level?
- 100°C (correct)
- 0°C
- 150°C
- 50°C
What is the chemical symbol for the element oxygen?
What is the chemical symbol for the element oxygen?
- O3
- O (correct)
- O2
- O4
Which of the following is a renewable source of energy?
Which of the following is a renewable source of energy?
- Natural gas
- Coal
- Solar power (correct)
- Nuclear power
What is the unit of electric current?
What is the unit of electric current?
Which of the following is a non-metallic element?
Which of the following is a non-metallic element?
What is the process of a solid directly turning into a gas called?
What is the process of a solid directly turning into a gas called?
Flashcards
Boiling point of water at sea level
Boiling point of water at sea level
The temperature at which water changes from liquid to gas at sea level.
What is the chemical symbol for oxygen?
What is the chemical symbol for oxygen?
The chemical symbol is a shorthand way to represent an element.
Renewable energy source example
Renewable energy source example
Renewable energy sources can be replenished naturally over a short period of time.
Unit of electric current
Unit of electric current
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Non-metallic element example
Non-metallic element example
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Solid to gas without becoming liquid
Solid to gas without becoming liquid
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