Question

a sample of x is carefully weighed and put inside a vented flask. water is added to the flask until it just covers the sample, and the volume of sample and water is recorded. then the sample is removed and the volume of water alone is recorded. from the mass of the sample and the difference in volumes, the value of d may be calculated.
a small sample of x is put on the pan of a sensitive balance and its weight measured. next, a magnet is brought near the pan, and the weight is measured again. from the difference of weights in and out of the magnetic field, the value of m may be calculated.
options for first part: physical, chemical, (cant decide)
options for second part: physical, chemical, (cant decide)

Explanation:

For the first experiment (weighing and volume measurement of sample X), it involves determining density (using mass and volume) which is a physical property (no chemical change, just measuring physical attributes like mass and volume). For the second experiment (using a magnet and balance), it's likely testing magnetic properties or mass change in a magnetic field, also a physical property as no new substance is formed (chemical change would involve new substances, here it's about physical interactions/measurements). So both experiments relate to physical properties.

Answer:

First experiment: physical
Second experiment: physical