menu
QAmmunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
Register
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
A chemical change occurs when a. Dissolved minerals freeze to form a crystal. b. Ethanol is purified through distillation. c. Salt deposits form from evaporated sea water. d. A leaf changes color from
asked
Mar 4, 2019
154k
views
0
votes
A chemical change occurs when
a. Dissolved minerals freeze to form a crystal.
b. Ethanol is purified through distillation.
c. Salt deposits form from evaporated sea water.
d. A leaf changes color from green to red.
Chemistry
high-school
XueYuan Wang
asked
by
XueYuan Wang
6.3k
points
answer
comment
share this
share
0 Comments
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
1
Answer
4
votes
D the rest are physical
Shashikanth
answered
Mar 9, 2019
by
Shashikanth
6.1k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
6.5m
questions
8.6m
answers
Other Questions
When weak acids react with strong bases, the H+ from the weak acid is transferred to the: metal of the strong base to form a metal hydride OH− from the strong base to form water and a salt salt that is
Some elements can have multiple molecular forms in the same physical state. these multiple forms are called a. isotopes. b. isotropes. c. allotropes. d. multi-tropes.
True or false: in the water cycle, water returns to Earth as condesation, usually in the form of rain or snow.
The original amount of a radioactive sample should be multiplied by which expression to calculate the amount of the sample that remains after n half-lives have passed? (1/2)xn (1/n)^2 (1/2)^n 1/(2n)
How many moles of ca(no32 are in 400 ml of a 0.80 m calcium nitrate solution?
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search QAmmunity.org