The subject of a sentence is who or what the sentence is about and who/what is performing the action. In this case, it is the chef, because he is striding into the kitchen.
Answer: Wouldn't it be easier to use litmus paper?
Explanation: That way you could figure out the PH and know that the hydrochloric acid is acid and the alkaline is the sodium hydroxide. The sugar solution won't show either way.
