- 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) Visibility
B) Pressure
C) Temperature
D) Volume
- 3. What is the unit of molecular mass?
A) GK
B) Amu
C) g/mol
D) KW
- 4. What is the unit of molar mass
A) Amu
B) KG
C) g/mol
D) KW
- 5. Avogadro's' number is represented by ____.
A) 6.602*10²³
B) 6.22*10²³
C) 0.22*1023
D) 6.022*10²³
- 6. A mole is a unit of measurement in chemistry.
A) None of the above
B) False
C) All of the above
D) True
- 7. Binary ionic compounds contains only 2 elements.
A) False
B) True
C) 3 elements
D) 4 elements
- 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) OH2
B) H2O
C) All of them
D) O2H
- 10. What is the molecular mass of water
A) 17
B) 19
C) 20
D) 18
- 11. One of the following is a binary compound
A) HCl
B) Hydrogen
C) CH2O
D) Argon
- 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) 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) Starch
D) Fat and oil
- 15. Name the the following compound.CaF2
A) Glucose D
B) Fluorine
C) Vitamin C
D) Calcium Fluoride
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