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Chemistry Compounds
Test Description: Common elements and compounds
Instructions: Answer all questions to get your test result.
1) CO2
A
Carbon dioxide
B
calcium hydroxide
C
Carbon monoxide
D
cobalt
2) Sucrose
A
C12H22O11
B
NaOCl
C
HC2H3O2
D
C2H5OH
3) Hydrochloric acid
A
H2SO4
B
HNO3
C
HCl
D
H3PO4
4) NaOCl
A
Sodium Hydroxide
B
Bleach
C
Sodium Chloride
D
Baking Soda
5) NaHCO3
A
Bleach
B
Sodium Hydroxide
C
Baking soda
D
Sodium Chloride
6) CH3COOH
A
Carbonic Acid
B
Ethyl Alcohol
C
Baking Soda
D
Vinegar
7) Water
A
OH
B
H2
C
H2O
D
H2O2
8) NaCl
A
vinegar
B
bleach
C
salt
D
Sodium calcium
9) NH3
A
Ammonia
B
Nitrate
C
Nitric Acid
D
Nitrogen hydroxide
10) Which of the following equations represents photosynthesis?
A
6CO2 + 6H2O → C6H12O6 + 6O2.
B
C6H12O6 + 6O2 → 6CO2 + 6H2O
C
6CO2 + 6H2O → H2O + 6O2.
D
6CO2 + 6H2O → C6H12O6 + 6CO2.
11) What does this equation represent? C6H12O6 + 6O2 → 6CO2 + 6H2O
A
Photosynthesis
B
Nitrate Cycle
C
How many nitrates there.
D
Respiration
*select an answer for all questions
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