Solubility Rules

The video tutorial explains the concept of soluble salts and their significance in chemical processes. It covers solubility rules for different salts, including nitrates, halides, sulfates, carbonates, and hydroxides. The tutorial also discusses practical applications, such as the use of barium sulfate in medical imaging and the treatment of hard water through ion exchange. The importance of understanding solubility rules to avoid toxic reactions is highlighted.

Which salt is crucial for nerve conduction?

• Sodium chloride

• Potassium chloride

• Magnesium nitrate

• Calcium sulfate

Which of the following salts is always soluble in water?

• Silver chloride

• Calcium carbonate

• Lead sulfate

• Sodium nitrate

Which halide is insoluble in water?

• Sodium iodide

• Lithium fluoride

• Potassium bromide

• Silver chloride

Why is barium sulfate used in medical imaging?

• It reacts with X-rays to produce images

• It is a good conductor of electricity

• It is radiopaque and insoluble

• It is highly soluble and safe

How is hard water treated to make it soft?

• By adding calcium ions

• By removing sodium ions

• By exchanging calcium and magnesium ions with sodium and potassium ions

• By boiling the water