Question 4
When pure water and sodium chloride combine, what do they create?
A. Another pure substance
B. A mixture
C. A chemical change
D. Not enough information is given.

Iwll give extra points to who gets this for ! what type of reaction is this? ?

If you burn 10 kilograms of wood in a fire (combustion) what is the weight of the products after the fire has finished burning the wood?

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.