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

a pizza parlor has 8 different toppings and 3 different cheeses to choose from on the menu. How many pizza combinations are possible if each pizza has 1 topping

What two substances control the movement of materials into and out of the cell

5 consecutive intergers whose sum is 195

Which shows a way to find 15×32

Which document expresses that people are entitled to the free exercise of religion?

4 times as much money as $5

Which of the following is perpendicular to the line y= -1/2x+8

Marty has a fenced yard in the shape of a rectangle. it's area is 635.4 square feet. The width of the yard is 18 feet. Whatis the length of the fence?

The grocery store sells a 25-ounce container of lemonade mix for $2.00. The wholesale club sells a 75 ounce container of the same lemonade mix for $6.75. a) Fin

a tennis racket at sport city costs 180 and is discounted 15 percent the same model racket costs 200 at tennis world is on sale for 20% off . which store has rh