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