Soluble salts are made from dilute acids. Name the dilute acid and one other substance that react together to make copper(II) sulfate. dilute acid .............................................................................................................................. other substance .....................................................................................................................

Chemistry

IGCSE&ALevel

CAIE

Exam No：0620_s24_qp_43 Year：2024 Question No：5(b)

Answer:

8.4.1.1. have high densities

8.4.1.2. have high melting points

8.4.1.3. form coloured compounds

8.4.1.4. often act as catalysts as elements and in compounds

8.4.2. Describe transition elements as having ions with variable oxidation numbers, including iron(II) and iron(III)

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