Taxes on products can be enabled or disabled on an individual basis. If tax is enabled the rate will be pulled from the tax set in Business Setup > Locations
To enable or disable taxes on products, go to the Products page and select the product you'd like to adjust and then the pencil icon in the top right corner:
Next, toggle tax on or off and select "Save Changes":
For managing taxes on services, please refer to: How do I Enable or Disable Taxes on Services?