- 1. Which of the following is not an s.t.p constant.
A) None
B) Pressure
C) Volume
D) Temperature
- 2. The gas law is used for calculating all nut one of the following.
A) Visibility
B) Temperature
C) Volume
D) Pressure
- 3. What is the unit of molecular mass?
A) KW
B) g/mol
C) Amu
D) GK
- 4. What is the unit of molar mass
A) KG
B) KW
C) g/mol
D) Amu
- 5. Avogadro's' number is represented by ____.
A) 6.602*10²³
B) 6.022*10²³
C) 6.22*10²³
D) 0.22*1023
- 6. A mole is a unit of measurement in chemistry.
A) None of the above
B) All of the above
C) True
D) False
- 7. Binary ionic compounds contains only 2 elements.
A) True
B) 4 elements
C) False
D) 3 elements
- 8. How many elements are there in a binary compound?
A) 2
B) 1
C) 4
D) 3
- 9. What is the chemical formula for water.
A) OH2
B) H2O
C) O2H
D) All of them
- 10. What is the molecular mass of water
A) 18
B) 19
C) 17
D) 20
- 11. One of the following is a binary compound
A) Hydrogen
B) CH2O
C) Argon
D) HCl
- 12. (Mg²+) + (O²¯) will combine to form which compound?
A) MOg
B) OMO
C) MgO
D) OgMg
- 13. Which of this is not a binary compound.
A) C6H12O6
B) C2H4
C) H2O2
D) HCl
- 14. Table salt is an example of one of the following.
A) Starch
B) Vitamins
C) Fat and oil
D) Binary ionic compound.
- 15. Name the the following compound.CaF2
A) Fluorine
B) Vitamin C
C) Glucose D
D) Calcium Fluoride
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