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