What should you do every time you are about to heat glassware on a hot plate? Select one or more:
Check that there are no cracks in the glassware
Ensure that the glassware is designed for heating
Inspect the hot plate for frayed cords
0 Measure the height and width of the glassware

Ensure that the glassware is designed for heating

Check that there are no cracks in the glassware

Inspect the hot plate for frayed cords

Explanation:

All except measuring the height and width of the glassware could cause hazards within the lab.

la respuesta es si te gusta hacer lo que siempre haces cuando nunca ves a alguien en el espejo porque sabes que no siempre están ahí.

1. they vary with a higher number because boiling is way hotter than melting