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