2.5. Simple molecules and covalent bonds
A subsection of Chemistry, 0620, through 2. Atoms, elements and compounds
Listing 10 of 177 questions
The table gives some information about five substances. substance melting point / °C boiling point / °C solubility in water electrical conductivity when molten electrical conductivity when solid F –97 very soluble does not conduct does not conduct G insoluble does not conduct does not conduct H soluble conducts does not conduct I –57 insoluble does not conduct does not conduct J insoluble conducts conducts Which substance in the table has ionic bonding? Which substance in the table has a giant covalent structure? Name a method you could use to separate a mixture of substance J and water. Name a method you could use to obtain substance F from a mixture of substance F and water. Describe how you could obtain a solid sample of substance H from a mixture of substanceH and substanceG. Substance J is a metal. Describe how substance J is able to conduct electricity when it is a solid.
0620_w16_qp_41
THEORY
2016
Paper 4, Variant 1
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Questions Discovered
177