Question 15

when two or more substances are combined so that each substance maintains its own properties, the result is a(n)

a)chemical change

b)element

c)compound

d)mixture

The result is D) Mixtures.

In science, mixture refers to substance in which two substances are joined with the end goal that every substance holds its very own compound character. Compound bonds between the parts are neither broken nor shaped. Note that despite the fact that the concoction properties of the segments haven't changed, a mixture may display new physical properties.  

The mixtures are of two types namely homogenous mixture and heterogeneous mixture. When the solute and solvent in the mixture are not identified separately, it is homogenous mixture. When it can be identified, it is called as heterogeneous mixture.

1.the evidene of the reaction

2.yes

3.yes