Which Is the Most Acidic Oxide

question 33

Multiple Choice

Which is the most acidic oxide?

• A) SO₂
• B) Al₂O₃
• C) CaO
• D) PbO
• E) H₂O

---

Definitions:

Traveler's Checks

A preprinted, fixed-amount check designed to allow the person signing it to make an unconditional payment to someone else as a result of the payee's acceptance.

Credit Card

A payment card issued by financial institutions that allows the cardholder to borrow funds for purchases or cash advances, subject to a line of credit.

Loan Issuer

An entity, such as a bank or financial institution, that provides loans to borrowers under agreed terms and conditions.

Debit Cards

A payment card that deducts money directly from a consumer's checking account to pay for a purchase, unlike credit cards which borrow money that must be repaid.