Grinding quartz crystals down to produce sand is an example of a
a.
change of state.
c.
chemical reaction.
b.
chemical change.
d.
physical change.

Answers

This is earth science, not PHY. Your answer would be D sir.
The answer is D because the chemical makeup has not changed. It is still the same quartz just looks different. 

Hope that helps! God bless!
D. A physical change

The makeup of it is still the same it's just ground up

Grinding quartz crystals down to produce sand is an example of a physical change. Correct D Physical change is a change of the form of a chemical substance, but not its chemical composition. And this is exactly what grinding quartz crystals is. A physical change differs from a chemical change in that new substances are formed.

D. physical change. It's kind of self explanatory because it's physically changing the quartz crystals into a sand. I hope this helps! 


Do you know the answer?

Other questions on the subject: Chemistry

Chemistry, 22.06.2019, kamjay2006
(D) The population of aquatic plants in Location B will decrease because water is contaminated.Explanation:When people use pesticides it harms the environment cause it goes into th...Read More
1 more answers
The product of this reaction is the hydrochloric acidExplanation:The compounds required to perform a reaction are the reactants, in this case there are two: hydrogen and chlorine....Read More
3 more answers