PDF chapter test TRY NOW

1. Which of the following is not an “\(element + element → compound\)” type reaction?
2. Which of the following represents a precipitation reaction?
3. The pH of a solution is \(3\). Its [\(OH^–\)] concentration is
4. Powdered \(CaCO_3\) reacts more rapidly than flaky \(CaCO_3\) because of __________.