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