CSEC Chemistry · May/June 2011 · Paper 1 · Question Q15
Which of the following statements about covalent compounds are TRUE? I. They are mainly solids. II. They usually have low melting and boiling points. III. They are usually insoluble in water. IV. They contain only ions.
- (A)I and III only
- (B)I and IV only
- (C)II and III only
- (D)II and IV only
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