---
title: "A student is asked to classify four pure solid substances based on the types of chemical bonding present within their structures: \\(\\text{NH}_4\\text{Cl(s)}\\), \\(\\text{CaCl}_2\\text{(s)}\\), \\(\\text{SiO}_2\\text{(s)}\\), and \\(\\text{C}_{12}\\text{H}_{22}\\text{O}_{11}\\text{(s)}\\). Which of the substances contains both ionic and covalent bonds?"
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url: "https://nerd-notes.com/ubq/119978/"
date_modified: "2026-08-21T08:31:26+00:00"
---

# A student is asked to classify four pure solid substances based on the types of chemical bonding present within their structures: \(\text{NH}_4\text{Cl(s)}\), \(\text{CaCl}_2\text{(s)}\), \(\text{SiO}_2\text{(s)}\), and \(\text{C}_{12}\text{H}_{22}\text{O}_{11}\text{(s)}\). Which of the substances contains both ionic and covalent bonds?

A student is asked to classify four pure solid substances based on the types of chemical bonding present within their structures: \(\text{NH}_4\text{Cl(s)}\), \(\text{CaCl}_2\text{(s)}\), \(\text{SiO}_2\text{(s)}\), and \(\text{C}_{12}\text{H}_{22}\text{O}_{11}\text{(s)}\). Which of the substances contains both ionic and covalent bonds?

- **A.** \(\text{NH}_4\text{Cl(s)}\)
- **B.** \(\text{CaCl}_2\text{(s)}\)
- **C.** \(\text{SiO}_2\text{(s)}\)
- **D.** \(\text{C}_{12}\text{H}_{22}\text{O}_{11}\text{(s)}\)

*The answer key and step-by-step explanation are available to logged-in users at https://nerd-notes.com/ubq/119978/*