Chemical reactions and equations/Life processes

When magnesium is burned after reaction product is called

• Magnesium oxide

• Magnesium carbonate

• Magnesium dioxide

• Magnesium trioxide

In the molecule below, which of the following choices is a coefficient? (Select all that apply)

• 3

• 2

• 4

• SO

Given: 4Al + 3O₂ ---> 2X Which compound is represented by X?

• AlO

• Al₂O₂

• Al₂O

• Al₂O₃

How many sulfur atoms are present in this molecule?

• 4

• 3

• 12

• 1

What would be the precipitate in the reaction between Ca(NO₃)₂ and Na₂S?

• CaNa₂

• CaS

• NaNO₃

• NaNaNa

Which pair of substances represents the products in the following chemical equation:

Zn + 2HCl → ZnCl₂ + H₂

• Zn and HCl

• Zn and ZnCl₂

• ZnCl₂ and H₂

• Zn and H₂

Do you like this test Write Y or N

Identify the type of chemical reaction

• Synthesis

• Decomposition

• Single replacement

• Double replacement

• Combustion

Identify the type of chemical reaction

• Synthesis

• Decomposition

• Single replacement

• Double replacement

• Combustion

Identify the type of chemical reaction

• Synthesis

• Decomposition

• Single replacement

• Double replacement

• Combustion