1. which of these is the basic unit of mass?
a. l
b. kg
c. cm
d. ml

2. the amount of matter is an object is known as
a. weight
b. volume
c. density
d. mass

3.which of these is an appropriate instrument to measure mass?
a. balance
b. burette
c. ruler
d. graduated cylinder

4. weight is a measure of:
a. inertia
b. force
c. matter
d. mass

5. the mass of 1 gram:
a. is kept as a standard platinum cylinder in france
b. is .01 kg
c. equals the mass of 1 ml of water at 4°c
d. equals 1 cm³