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 plant uses the energy from sunlight to create oxygen and glucose from carbon dioxide and water. Which statement is true about the changes that have occurred?

One reason the Roman Empire was difficult to conquer was because A)the geographic features that surrounded it. B)there were no people who considered Rome an ene

Please, Answer this! thank you

Henry Olcott saw the need to unite this religion's teachings.

On a road trip Maura drove at a speed of 60 miles per hour for the first two hours she then increased her speed by 25% A- Write an expression to show what her n

Please help me with question 3

The products of the fermentation of a sugar are ethanol and 1) water 2) oxygen 3) carbon dioxide 4) sulfur dioxide

Price increased from $20 to $23

Use the difference of two squares to find the product of 22 and 18. Format: (___+___)(___-___)=(___)^2-(___)^2

Economic fluctuations