Starile de agregare ale apei

How many states of aggregation does water exist in on our planet?

• One

• Two

• Three

• Four

At what temperature does water reach its maximum density, and what is that density?

• 0°C, 0.9 kg/L

• 4°C, 1 kg/L

• 100°C, 1 kg/L

• 20°C, 0.9 kg/L

What happens to the volume of water when it freezes into ice?

• It decreases significantly.

• It remains the same.

• It increases.

• It first decreases, then increases.

Are you enjoying the video lesson?

• Yes

• No

What is the primary function of the heat exchanger (condenser) described in the video?

• To heat water to boiling point.

• To collect steam from the kettle.

• To condense steam back into liquid water.

• To measure the temperature of the water.

What is the name of the entire apparatus used to collect distilled water?

• Evaporator

• Condenser

• Boiler

• Distillator