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