Predict whether the following double-replacement reaction will produce a precipitate: mgcl2 + li2co3 mgco3 + 2 licl.
no; all products are soluble
yes; the mgco3 will precipitate
yes; the licl will precipitate
yes; both the mgco3 and the licl will precipitate

Option (b) is the correct answer.

Explanation:

A solid that is insoluble in an aqueous solution is known as a precipitate. Also, a chemical reaction in which a precipitate is formed is known as a precipitation reaction.

For example,

Hence, here is the precipitate as it is the insoluble solid which is formed when two aqueous solution magnesium chloride and lithium carbonate chemically combine together.

Thus, we can conclude that yes the given double-replacement reaction will produce a precipitate, the will precipitate.

answer: c.

explanation:

answer: c. the experiment shows that the red substance experienced a chemical change.

explanation: chemical change is the change in which chemical composition of the substance changes. physical change is the change in which there is no change in chemical composition.

chemical changes are accompanied by following changes:

a) precipitate formation

b) energy is released or absorbed

c) formation of bubbles

d) change in color

as it is given that the red color has disappeared and there is production of gas, it means the red substance has undergone a chemical change.

e