Chemistry Exam

What type of reaction is:

2Mg + O2 --> 2MgO

• synthesis

• decomposition

• single replacement

• neutralization

What type of reaction is:

Mg + O2 --> MgO

• single replacement

• decomposition

• combustion

• precipitate

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What type of reaction is:

Al2(SO4)3 + KOH --> Al(OH)3 + K2SO4

• single replacement

• double replacement

• synthesis

• neutralization

What type of reaction is:

H2O2 --> H2O + O2

• synthesis

• decomposition

• combustion

• decomposition & combustion

What type of reaction is:

AgNO3 (aq) + NaCl(aq) --> AgCl(s) + NaNO3 (aq)

Chose all that apply

• double replacement

• precipitate

• neutralization

• single replacement

What type of reaction is

Mg(s) + Zn(NO3)2(aq) --> Mg(NO3)2(aq) + Zn(s)

Choose all that apply

• single replacement

• double replacement

• precipitate

• neutralization

What type of reaction is:

HCl + NaOH --> NaCl + H2O

Choose all that apply

• single replacement

• double replacement

• precipitate

• neutralization

How many significant figures?

1000

• 1

• 2

• 3

• 4

How many significant figures?

1010

• 1

• 2

• 3

• 4

How many significant figures?

1001.00

• 2

• 4

• 6