907swimmer 907swimmer

23-01-2015
Chemistry

contestada

which of the following is a physical change?
-Burning
-Rusting
-Freezing
-Oxidation

Respuesta :

starkid starkid

23-01-2015

Freezing is a physical change caused by temperature.
The others cannot be undone easily, because the chemical structure has changed.

Answer Link

Otras preguntas

At the end of one day, the value of a share of a certain stock was $12. Over the next three days, the change in the value of the share was -$1, then, -$1, and t

___________-reflects the true cash position of the company, and can differ from the balance that reflects the money that the business is left with after paying

Determine whether the equation is a conditional equation, an identity, or a contradiction 16y+2(3-y)=5+14y+2

Jake is a sales representative for General Mills. Each week he uploads his plans for visiting clients out in the field to a routing and scheduling decisions sys

Read the excerpt from Warriors Don't Cry. As we approached behind them, we could see only the clusters of white people that stretched for a distance of two bloc

Help!!! ASAP!!!!!!!!

A ball is thrown vertically upward from the ground. Its distance in feet from the ground in t seconds is s equals negative 16 t squared plus 240 t. After how ma

DJ LeMahieu of the Colorado Rockies had the highest batting average in the 2016 Major League Baseball season. His average was .348. So assume the probability of

One researcher asks adolescents to keep a daily journal related to specific sensitive topics. A second asks high school students to interview each other about t

Due to Google Analytics providing a cross-channel view of the customer journey, there'll be differences in the way conversions are measured between Google Analy