Question

17 in a science lab, it is safe to smell chemicals directly to identify them.
a true
b false
18 it is safe to work with a laptop near the sink in the science lab.
a true
b false

Explanation:

Question 17

In a science lab, directly smelling chemicals is dangerous as many chemicals are toxic, corrosive, or irritating. So the statement is false.

Working with a laptop near a sink in a science lab is unsafe because water from the sink can spill onto the laptop, causing damage or electrical hazards. So the statement is false.

Answer:

B. False

Question 18