Grade 10 Chemistry Practice

The Law of Conservation of Mass states that the total mass of the reactants should be

• More than the mass of the products

• Equal to the mass of the products

• Ignored during the reaction

• Less than the mass of the products

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

In the following reaction, what sign is there that a precipitation reaction took place?
AgNO₃ (aq) + NaOH (aq) → AgOH (s) + NaNO₃ (aq)

• The formation of a nitrate
• The (aq), meaning aqueous or dissolved in water
• The (s), meaning the formation of a solid
• The base (OH) reactant 

When balancing equations, the rule is that you can only add, change, and remove ____________

• Coefficients

• Mass

• Subscripts

• Elements

Balance this equation.

_CF₄ + _Br₂ -- _CBr₄ + _F₂

• 2,1,2,1

• 1,2,2,1

• 1,2,1,2

• 2,2,2,2

Tags

NGSS.MS-PS1-5

Which coefficients balance this equation:
NH₃  +  O₂ ---->   NO  + H₂O

• 2,3,5,6
• 5,5,4,6
• 4,6,4,5
• 4,5,4,6

Tags

NGSS.MS-PS1-5

Balance this equation.

_CH₄ + _O₂ --> _CO₂ + _H₂O

• 1,2,1,1

• 2,1,2,1

• 1,2,1,2

• 0,2,0,2

Tags

NGSS.MS-PS1-5

Sodium phosphate in solution reacts with silver nitrate solution to produce sodium nitrate solution and a silver phosphate precipitate.

• NaPO₄(aq) + AgNO₃(aq) --> NaNO3(aq) + AgPO₄(s)

• Na₃P (aq) + Ag₃N (aq) --> Na₃N (aq) + Ag₃P (s)

• Na₃PO₄(aq) + 3AgNO₃(aq) --> 3NaNO₃(aq) + Ag₃PO₄ (s)

• NaP + AgN --> NaN + AgP

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

What is the correct name for Al(NO₃)₃?

• Aluminum nitrate

• Aluminum(III) nitrate

• Aluminum nitrite

• Aluminum nitrogen trioxide

Name this formula:

KNO₃

• Potassium Nitrogen Oxide

• Potassium Nitride

• Potassium Nitrate

• Potassium (I) Nitrite

Name the compound NH₄OH

• ammonium hydroxide

• ammonia oxyhydride

• mononitrogen tetraoxihydride

• hydrogen nitrate

Tags

NGSS.MS-PS1-1