Seudónimo Seudónimo

02-12-2020
Advanced Placement (AP)

contestada

PLZ HELP IT IS SCIENCE
when sodium hydroxide dissolves in water is it A. physical change or B. chemical change

Respuesta :

lelassabin lelassabin

02-12-2020

Answer:b

Explanation: you can’t see the difference of it changing

Answer Link

retr0astr4 retr0astr4

10-12-2020

Answer:

a physical change

Explanation:

it is the same as adding salt into water, it may have dissolved but, removing the water will isolate NaOH therefore it is a physical change, as its chemical structure is unchanged due to the presence of water

Answer Link

Otras preguntas

How similar and/or different were the American Revolution and the French Revolution?

Les filles _________ pendant toute la fête. (danser)

you are given the steps for using a compass and a straightedge to construct a line perpendicular to a given line through a point not lying on the given line. ar

Which of the following describes a primary cause of the Neolithic Revolution? A. The rise of the first monarchies B. The rise of monotheistic religionsc. the ex

Great, go for 13! where did the inca empire exist? 1=asia 2= south america 3=africa 4=hint 5= skip reply 1, 2 or 3 for free 4 or 5 cost $1

what event led to the anti-war protest in kent state in 1970

10) the __________ theory of aging suggests that the elderly who are most successful while aging are those who maintain the interests and activities they had du

No puedo ir a la escuela. estoy _____. a. triste b. contenta c. ocupada d. enferma

Which of the following is a remnant of a supernova? a. neutron star b. protostar c. black dwarf d. red giant

If your clothing catches fire, you should. a. stop, drop, and roll. b. run outside. c. stay low and run to escape flames.