Question

HELP ME 6 QUESTIONS!!!!!

Answer 1

@Michele_Laino @thread252 @pooja195

Answer 2

@Tamara7301

Answer 3

mhm

Answer 4

sorry should probably put the questions in lol

Answer 5

lol yes plz

Answer 6

Question 1 (Multiple Choice Worth 2 points)

Which of the following is true concerning changes of state?

All changes of state take place at the same temperature.
State changes happen at different points for different substances
The freezing point is the same for all substances.
The boiling point is the same for all substances.

Question 2 (Multiple Choice Worth 2 points)

The change from a solid to a liquid state is called

melting.
evaporation.
condensation.
sublimation.

Question 3 (Multiple Choice Worth 2 points)

In the lab the term “phase change” refers to

a change of boiling point
a change of freezing point
a change of flash point
a change of state

Question 4 (Multiple Choice Worth 2 points)

Please select the TWO (2) correct answers from the list below.

Freezing point is the temperature at which

a liquid become a gas
a liquid becomes a solid
A gas becomes a solid
a change in state occurs

Question 5 (Multiple Choice Worth 2 points)

The boiling point is the temperature at which

a solid becomes a liquid
a liquid becomes a gas
a gas becomes a solid
a solid becomes a gas

Question 6 (Multiple Choice Worth 2 points)

Heat being added or taken away from a substance may cause

a change in chemical properties
a change in state
change in the boiling point
change in the freezing point

Answer 7

its a lot but i really need help

Answer 8

@rhettwalker14 @nickthenewbie @TheSmartOne

Answer 9

phase change is state i think

Answer 10

idk

Answer 11

for which one nick lol

Answer 12

lol

Answer 13

q 4

Answer 14

بگرة

Answer 15

Hello, I see your from FLVS, i am also.