How can a permanent magnet be damaged?

a. cut the magnet in half
b. heat the magnet up
c. strike the magnet with a heavy blow
d. both the second and third choices above

Asmall amount of a solid is added to water. the observation made after fifteen minutes is shown in the figure. which of these solids has been probably added to water? a) oil b) sand c) sugar d) wood chips

Which of the following pressures is equal to 760 mm hg? 2.0 atm 101.3 pa 101,300 kpa 101,300 pa

If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution