Which of the following is NOT a diatomic

• H₂

• N₂

• P

• Cl₂

Tags

NGSS.MS-PS1-1

The left side of a chemical reaction is called the ___________

• reactant

• product

• intro

• ending

Tags

NGSS.MS-PS1-5

The general form of a double displacement reaction is:

• AB+ CD --> AC + BD

• AB + CD --> AD + CB

• AB + CD --> A + BD

• AB + CD --> AD + C

Tags

NGSS.MS-PS1-5

Pick the correct balanced reaction when

NaCl + CaSO₄ -->

• NaCl + CaSO₄ --> NaSO₄ + CaCl

• NaCl + CaSO₄ --> NaCl + CaCl

• NaCl + CaSO₄ --> ClCa + SO₄Na

• 2 NaCl + CaSO₄ --> Na₂SO₄ + CaCl₂

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

When the equation Fe + O₂ --> Fe₂O₃ is balanced, the coefficient for O₂ is:

• 4

• 3

• 2

• 1

Tags

NGSS.MS-PS1-5

In order for the reaction of

2Al + 6HCl --> 2 AlCl₃ + 3H₂ to occur, which of the following must be true?

• Al must be above Cl on the activity series

• Al must be above H on the activity series

• Heat must be supplied for the reaction

• AlCl₃ must be a solid

Tags

NGSS.MS-PS1-1

When the following equation is balanced, the coefficient in front of HCl is:

Ba + HCl --> BaCl₂ + H₂

• 6

• 3

• 1

• 2

Tags

NGSS.MS-PS1-5

What type of reaction is

Ba + HCl --> BaCl₂ + H₂

• Single Displacement

• Double Displacement

• Composition

• Decomposition

Will there be a reaction when these two substances react? Please explain.

Mg + H₃PO_{4. -->}

Tags

NGSS.MS-PS1-2

What is the balanced equation that takes place between bromine and sodium iodide?

• Br₂ + NaI --> NaBr₂ + I

• Br₂ + 2 NaI --> 2 NaBr + I₂

• Br₂ + NaI₂ --> NaBrI₂

• No reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5