Paper 1 · November 2023 · Laboratory safety
Which triangle colour code represents a poisonous substance?
Aorange
Bgreen
Cpurple
Dred
Explanation
On the hazard triangle printed on agricultural chemicals, orange marks a poisonous substance. Red is the band above it for a very poisonous one and green the band for a relatively safe one.
ZIMSEC Biology Paper 1, November 2023, Q1