3 years ago

Which substance can not be decomposed by a chemical change?

2 answers:

8 0

The substance that can not be decompoased by a chemical change is B. Carbon

3 0

Carbon because it an element in comparison to eater for example which is a mixture of hydrogen and oxygen.

You might be interested in

tamaranim1 [39]

Answer:

410-52=358

3.054+1.16=4.214

8 0

3 years ago

wel

The answer is B, Neutron star

5 0

4 years ago

Reil [10]

Silver is the densest as it is lower on the periodic table containing more protons and nuetrons and electrons

7 0

3 years ago

Marysya12 [62]

Answer:c

Explanation:

8 0

3 years ago

user100 [1]

Answer: The theoretical yield is 6 rings.

Explanation:

Theoretical yield is predicted or estimated value.

Jeweler used 2 sapphires for 1 ring

Then for each sapphire there will be = $\frac{1}{2}$ rings are used

For 12 sapphire = $\frac{1}{2}\times 12=6 rings$ will be used

Out of 10 rings 6 rings with 2 sapphires will be made.

The theoretical yield is 6 rings.

7 0

3 years ago