Question 1
A sample of a substance has a shape that is determined by its container.
What are the possible states of this sample?
A
gas, liquid and solid
B
gas and liquid only
C
gas and solid only
D
solid and liquid only
A sample of a substance has a shape that is determined by its container.
What are the possible states of this sample?
gas, liquid and solid
gas and liquid only
gas and solid only
solid and liquid only
B
In which process does a gas turn into a liquid?
boiling
condensing
freezing
melting
B
Fig. 4.1 shows a liquid-in-glass thermometer without a temperature scale. The liquid inside the thermometer has a melting point of −39∘C.
A scientist is measuring temperatures at the South Pole. These temperatures have a minimum value of −90∘C.
State why the liquid used in the thermometer in Fig. 4.1 would not be suitable for this scientist.
bead would not be liquid owtte