Safety Measures in the Laboratory

Question 1:State four types of fire extinguishers. Answer:Goggles/ lab coat/ face mask/ gloves/ covered shoes/safety shoes (any three) Question 2:What is the function of a fire blanket? Explain how it can save victims of small fires. Answer:Rinse his eyes with plenty of water and report to the teacher. Question 3:Arrange the correct sequence in using … Read more

Question 1:Asri wants to dispose of concentrated hydrochloric acid with a pH value of 3 into a sink, but he is stopped by Selvi. Is Selvi’s action correct? Why?Answer:Yes, because concentrated hydrochloric acid with a pH value of 3 will cause danger. Question 2:Tick (✓) for the substances that can be disposed of into a … Read more

Question 1:Give three examples of personal protective equipment that must be worn in the laboratory.Answer:Goggles/ lab coat/ face mask/ gloves/ covered shoes/ safety shoes (any three) Question 2:Hariz’s eye was accidentally splashed with dilute sulphuric acid. What action does Hariz need to take?Answer:Rinse his eyes with plenty of water and report to the teacher. Question … Read more