**In the mid-1800s an American**/ businessman, Charles Goodyear, dropped (A) a rubber mixture contain (B) sulphur on his hot stove (C) and invented vulcanization. (D) No error (E)

Identify the part that contains the grammatical error.

Question

**In the mid-1800s an American**/ businessman, Charles Goodyear, dropped (A) a rubber mixture contain (B) sulphur on his hot stove (C) and invented vulcanization. (D) No error (E)

Identify the part that contains the grammatical error.

Accepted Answer

**Solution:**

1. The sentence is: "In the mid-1800s an American businessman, Charles Goodyear, dropped a rubber mixture contain sulphur on his hot stove and invented vulcanization."

2. The highlighted part (B) is "contain" which is incorrect here because the subject "a rubber mixture" is singular.

3. The correct verb form should be "containing" to indicate the mixture has sulphur in it.

4. So, the phrase should be "a rubber mixture containing sulphur".

5. All other parts (A, C, D, E) are grammatically correct.

**Answer:** (b)

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