Question

find correlation

1. two elements each in some boxes : limitations in newlands Octaves : place for isotopes ________________

2. during transition of ice into water : constant temperature :: before transition of water into steam : ________________

3. sulphide ores : roasting :: oxide ores : _________________

4. bauxite : aluminium ore :: cassiterite : ________________

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Answer 1

Answer:

1 mendeleev perodic table