Water Quiz

What is the chemical formula for water?

• H2O

• CO2

• NaCl

• O2

Why is it rare to find pure water?

• Water is a weak solvent.

• Water is a very powerful solvent.

• Water is always mixed with salt.

• Water cannot dissolve substances.

What can water do over time to almost anything?

• Freeze, melt, evaporate

• Erode, corrode, absorb

• Harden, solidify, crystallize

• Burn, ignite, combust

What happens to water when it is heated to temperatures up to 100°C?

• It contracts by 4% of the system contents.

• It expands by up to 4% of the system contents.

• It turns into steam and expands 1,600 times.

• It remains unchanged.

At what temperature does water turn to steam and expand significantly?

• 50°C

• 75°C

• 100°C

• 150°C

By how much can water expand when it turns to steam?

• 4 times its original volume

• 16 times its original volume

• 160 times its original volume

• 1,600 times its original volume

What is the standard unit for measuring temperature when considering the effect of heat on a space or object?

• Fahrenheit

• Kelvin

• Celsius

• Rankine

Which temperature scale is often used to measure an increase in temperature?

• Fahrenheit

• Kelvin

• Celsius

• Rankine

What is the relationship between Celsius and Kelvin increments?

• Celsius increments are larger

• Kelvin increments are larger

• They are the same

• They are unrelated

What is 0 Kelvin equivalent to in Celsius?

• 0°C

• -273°C

• 100°C

• 273°C