Question

HELP ASAP WILL FAN AND MEDAL!!!!!!!!!!!!!!!!!
4. in the chemical reaction in which sucrose is heated and decomposes to form carbon dioxide and water, which of the following is a reactant?
A. sucrose
B. carbon dioxide
C. water
D. heat

5. which of the following is NOT a physical change?
A. grating cheese
B. melting cheese
C. fermenting of cheese
D. mixing two cheeses in a bowl

6. A chemical change occurs when a piece of wood_____.
A. is split
B. is painted
C. decays
D. is cut

Answer 1

@TopKeeperKev

Answer 2

5. C
6. C

Answer 3

im looking up 4

Answer 4

4. A

Answer 5

are you sure those are right?

Answer 6

are u typing or doing soemthing

Answer 7

How do models compare to real-world objects?

A.

Most models are larger than real-world objects.
B.

Most models are simpler than real-world objects.
C.

Most models are exactly the same as real-world objects.

Answer 8

dont ask a question on my page?

Answer 9

thats what the ask a question box is for.

Answer 10

100% . #4 says what is the reactant, and a reactant is the object that undergoes change in a reaction, and it clearly says it is heated then decomposes.

Answer 11

ok thank you!

Answer 12

no problem :)