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