#1
Which of the following is an example of a solid?
1 answered
#2
What is the boiling point of water in Celsius?
1 answered
#3
What is the unit of pressure?
1 answered
#4
What is the boiling point of nitrogen in Celsius?
1 answered
#5
What is the freezing point of mercury in Celsius?
#6
Which of the following is NOT a property of gases?
#7
What is the process called when a gas changes directly into a solid?
#8
What is the process called when a liquid changes into a gas?
#9
Which of the following is NOT a state of matter?
#10
What happens to the volume of a gas when its pressure is increased?
#11
Which gas is known as laughing gas?
#12
What is the critical point of a substance?
#13
What is the process called when a gas changes into a liquid?
#14
What is the state of matter characterized by having no fixed shape or volume?
#15