Question

Give reasons:
(a)
It is difficult to measure the volume of a gas.
(6) SI units are used for scientific work.
Unit of speed is a derived unit.
(d) Measurement is advantageous in daily life
(c)

Answer 1

Answer:

1.Gases are more difficult to measure than liquids, because measured volumes are highly affected by temperature and pressure. Gas meters measure a defined volume, regardless of the pressurized quantity or quality of the gas flowing through the meter.