subject
Chemistry, 06.11.2019 13:31 fsdfsf

Which of the following is always true when a substance undergoes a physical change ?
a. the composition changes.
b. a change in color occurs.
c. no new substance is formed.
d. its specific gravity remains the same.

ansver
Answers: 1

Other questions on the subject: Chemistry

image
Chemistry, 22.06.2019 00:00, annsmith66
What is the result of multiplying (2.5 × 1010) × (2.0 × 10-7)? a. 5.0 × 103 b. 5.0 × 10-3 c. 5.0 × 1017 d. 5.0 × 10-17
Answers: 1
image
Chemistry, 22.06.2019 03:30, alicea70
Each pair of clay balls represents to planetesimals if each plane test molluscum pound of the same material and is separated by the same distance which pair experiences the greatest gravitational attraction
Answers: 2
image
Chemistry, 22.06.2019 06:00, MaeWolfe
How many atoms of mg are present in 97.22 grams of mg? 6.022 × 1023 2.408 × 1024 4.818 × 1024 5.855 × 1025
Answers: 3
image
Chemistry, 22.06.2019 09:00, fahad7007
Astudent is asked to identify and element that is pale yellow brittle solid and does not conduct electricity. at which location in this periodic table would the element most likely be found?
Answers: 2
You know the right answer?
Which of the following is always true when a substance undergoes a physical change ?
a. the c...

Questions in other subjects: