10
practice testMultiple Choice

Practice Test

Question 10 • Chemistry

Sodium combines with water to produce sodium hydroxide and hydrogen gas. Which word equation represents this violent reaction?

Answer
A
sodium plus sodium hydroxide rightarrow water plus hydrogen
B
sodium hydroxide plus water rightarrow sodium plus hydrogen
C
sodium plus water rightarrow sodium hydroxide plus hydrogen
D
sodium plus hydrogen rightarrow sodium hydroxide plus water

Explanation

The question states that sodium reacts with water to form sodium hydroxide and hydrogen gas. A word equation places the reactants before the arrow and the products after it: sodium plus water → sodium hydroxide plus hydrogen. This matches choice B.

AI-written and checked against the verified answer.

Previous
Next