Question

6. A hydrometer is used to measure 1 point
*
O temperature
O pressure
O relative density​

Answer 1

Explanation:

6. A hydrometer is used to measure.

= O relative density

Answer 2

$option \: 3 \\ relative \: density$

Explanation

A hydrometer is a sealed, hollow glass device that is used to measure the relative density or the specific gravity of a liquid and is based on the concept of buoyancy.