Which of the Following Is a Combination Reaction?
A) SO₂ $\rarr$

question 49

Multiple Choice

Which of the following is a combination reaction?

• A) SO₂ + O₂ \(\rarr\) 2SO₃
• B) 2C₂H₂ + 5O₂ \(\rarr\) 4CO₂ + 2H₂O
• C) 2H₂O₂ \(\rarr\) 2H₂O + O₂
• D) AgNO₃ + NaCl \(\rarr\) AgCl + NaNO₃

---

Definitions:

Market Economy

An economic system where supply and demand from consumers drive the production and pricing of goods and services.

Industrial Revolution

A period of major industrialization from the late 18th to early 19th century that transformed primarily agrarian, rural societies in Europe and America into industrialized, urban ones.

Technological Trade Secrets

Any practice, formula, design, instrument, pattern, or information which is not generally known or reasonably ascertainable, used by a business to gain a competitive advantage over competitors or customers.

Public Improvements

Projects and initiatives undertaken by government entities aimed at enhancing community infrastructure, services, and overall quality of life.