Final answer:
Mandatory fields on a form cannot be hidden as they are crucial for collecting necessary information from users.
Step-by-step explanation:
False
Mandatory fields on a form cannot be hidden because they are essential for collecting necessary information from users. These fields typically require users to input specific data, such as name, email address, or phone number, and omitting or hiding them would result in incomplete or insufficient information. Therefore, it is not possible to hide mandatory fields on a form.