Before planting the corn, the farmer applied zinc sulphate to the field to correct the nutrient deficiency.

Before the experiment, the chemist weighed a sample of ferrous sulphate and recorded the mass in the lab notebook.

The students prepared a saturated solution of copper sulphate for their chemistry experiment.

The laboratory labeled the sample ‘sulphate of soda’ before sending it for analysis.

The laboratory stored lithium sulphate in a clearly labeled, corrosion-resistant container to prevent moisture exposure.

The nurse prepared a solution of magnesium sulphate for the patient's muscle cramps.

The lab technician measured the purity of the calcium sulphate sample before starting the experiment.

The technician found that lead sulphate had formed on the battery plates after prolonged use.

The technician measured the hygroscopic properties of sodium sulphate before adjusting the drying oven.

The farmer applied ammonium sulphate to the soil to increase nitrogen levels before planting.