
Interpretation:
The ionic compound needs to be identified from the given substances.
Concept introduction:
The physical properties of any substance represent its nature.
There are different types of matter on the basis of physical properties. Ionic compound is formed between two ions having difference in their electronegativity.

Answer to Problem 4E
Baking soda is an ionic compound.
Explanation of Solution
In hair gel, carbon containing compounds (hydrocarbons) are present. Similar is the case with motor oil. The hydrocarbons have covalent bonds thus; hair gel and motor oil are covalent compounds.
In case of a silver bracelet, it is made up of silver, a metal, thus, it has metal-metal bonding.
Baking soda is sodium hydrogen carbonate. The chemical formula is NaHCO3, it contains Na + 1 and HCO3-1 ions. There is ionic bond between these two ions. Thus, baking soda is an ionic compound.
Chapter U1 Solutions
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