What is the change from a gas directly to a solid, skipping the liquid state, called?
- ASublimation
- BCondensation
- CDeposition
- DFreezing
What is the change from a gas directly to a solid, skipping the liquid state, called?
What is the change from a gas to a liquid called?
What should a student always wear to protect the eyes when working with chemicals?
What is carbon-14 dating used for?
What is the shape of a water molecule?
Nitric acid (HNO₃) reacts with potassium hydroxide (KOH). Which salt forms?
A solution of a strong acid has pH 2. It is diluted with water to 10 times its original volume. What is the new pH?
A liquid has a density of 1,2 g/mL. What is the mass of 250 mL of this liquid?
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