A janitor comes across a spilled substance on the floor of a high school chemistry lab. He wants to make sure the liquid is neutral before he cleans it up. What would be safest to add to the puddle? A.

A janitor comes across a spilled substance on the floor of a high school chemistry lab. He wants to make sure the liquid is neutral before he cleans it up. What would be safest to add to the puddle?

A. Pour on a base
B. Pour on a buffer
C. Pour on an acid

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A janitor comes across a spilled substance on the floor of a high school chemistry lab. He wants to make sure the liquid is neutral before he cleans it up. What would be safest …

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