1. Lab Investigator: Chemical Reactions cannot be used for

building and balancing chemical equations.

gathering information about elements.

viewing any chemical reaction in a laboratory.

viewing some chemical reactions in a laboratory. < - - my answer

2. Select all that apply

Magnesium is

dangerous to look at when it burns. < - - my answer

found in freshwater lakes. < - - my answer

used in photography, fireworks, and flares. < - - my answer

a compound made up of two separate elements.

3. The result of a chemical reaction is called

the reactant.

the element.

the compound.

the product.

Answer 1) Option D) Viewing some chemical reactions in the Laboratory.

Chemical Reactions cannot be used for viewing some chemical reactions in the Laboratory because it is not necessary that every chemical reaction will be practically done, there are certain reactions which are hypothetical in nature.

Answer 2) Option A) dangerous to look at when it burns.

and Option C) used in photography, fireworks, and flares.

Magnesium is an element which is dangerous when it burns because it forms MgO compound with a very bright flame which when stared continously may harm the eyes.

Also, magnesium is used in photography, fireworks and flares due to its chemical property

Answer 3) Option D) the product.

A result of a chemical reaction is always a product. where reactants undergo reaction and give products on completion of the reaction.