- 1. Which of the following is not an s.t.p constant.
A) Pressure
B) Volume
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) Amu
B) GK
C) g/mol
D) KW
- 4. What is the unit of molar mass
A) KG
B) g/mol
C) KW
D) Amu
- 5. Avogadro's' number is represented by ____.
A) 6.22*10²³
B) 0.22*1023
C) 6.602*10²³
D) 6.022*10²³
- 6. A mole is a unit of measurement in chemistry.
A) True
B) All of the above
C) False
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) 1
B) 3
C) 2
D) 4
- 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) 17
C) 20
D) 19
- 11. One of the following is a binary compound
A) Argon
B) CH2O
C) HCl
D) Hydrogen
- 12. (Mg²+) + (O²¯) will combine to form which compound?
A) OMO
B) MgO
C) OgMg
D) MOg
- 13. Which of this is not a binary compound.
A) H2O2
B) HCl
C) C2H4
D) C6H12O6
- 14. Table salt is an example of one of the following.
A) Binary ionic compound.
B) Starch
C) Vitamins
D) Fat and oil
- 15. Name the the following compound.CaF2
A) Vitamin C
B) Calcium Fluoride
C) Fluorine
D) Glucose D
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