Lesson Quiz: Lesson 20.1

According to the law of conservation of mass, if two atoms of hydrogen are used as a reactant, how many atoms of hydrogen must be part of the product?

• 2

• 1

• 0

• 4

Tags

NGSS.MS-PS1-5

What is the term that correctly describes the part of the equation identified by the letter a?

• reactants

• element

• products

• liquid

What is the term that correctly describes the part of the equation identified by the letter b? Equation: Sr(s) + 2H2O(l) → Sr(OH)2(aq) + H2(g)

• reactants

• products

• coefficient

• aqueous

What is the term that correctly describes the part of the equation identified by the letter c?

• compound

• element

• products

• gas

What is the term that correctly describes the part of the equation identified by the letter d?

• liquid

• reactants

• coefficient

• products

Tags

NGSS.HS-PS1-7

What is the term that correctly describes the part of the equation identified by the letter E?

• coefficient

• products

• liquid

• reactants

What is the term that correctly describes the part of the equation identified by the letter f?

• products

• liquid

• reactants

• yields

What is the term that correctly describes the part of the equation identified by the letter g?

• products

• aqueous

• liquid

• reactants

What is the term that correctly describes the part of the equation identified by the letter h?

• aqueous

• products

• gas

• reactants

Balance the following equation: NaOH + FeCl₃ → NaCl + Fe(OH)₃

• 1 NaOH + 1 FeCl₃ → 1 NaCl + 1 Fe(OH)₃

• 2 NaOH + 1 FeCl₃ → 2 NaCl + 1 Fe(OH)₃

• 3 NaOH + 1 FeCl₃ → 3 NaCl + 1 Fe(OH)₃

• 3 NaOH + 1 FeCl₃ → 1 NaCl + 3 Fe(OH)₃

Tags

NGSS.MS-PS1-5