Chemical Reactions

Question 1

Indicators of chemical Reaction:

Answer 1

1: transfer of energy (causes the surrounding to heat or cool)
2: Release light
3: Color change
4: Evidence of a precipitate (particles from by the reaction and settle at the bottom)
5: Gas production

Question 2

⭐️Chemical Reation

Answer 2

Some chemical Reactions are so small that it may be difficult to see an in actor. No matter how slight the change,a chemical reaction still has occurred.

Question 3

Reactivity

Answer 3

The ability of elements to take part in a chemical reaction.

Question 4

Reactant

Answer 4

An original substance at the beginning of a chemical reaction. Ex:Baking soda

Question 5

Product

Answer 5

A new substance resulting from (made by) a chemical change. Ex: Fire + wood= ashes

Question 6

Precipicate

Answer 6

The solid product of a chemical reaction in a solution.

Question 7

Chemical reaction

Answer 7

A change or reaction that creates a new kind of matter (product) with different properties from the original matter reactant