1 What should you do if your clothing catches fire in the laboratory? A Run to get help B Stop, drop, and roll C Use water to put it out D Remove your clothing quickly
2 Which hazard symbol is used for chemicals that can easily catch fire? A Toxic B Flammable C Corrosive D Oxidising
3 What should you do if you inhale fumes in the lab? A Move to fresh air and inform the teacher B Stay in the area C Take a deep breath D Drink water
4 What does a toxic hazard symbol indicate? A The chemical can cause serious harm or death if inhaled, swallowed, or absorbed B The chemical is safe to taste C The chemical is flammable D The chemical is corrosive
5 Why is it important to know the location of the fire extinguisher? A To use it quickly in an emergency B To keep it clean C To show it to visitors D To move it daily
6 What does an oxidising hazard sign indicate? A The chemical can supply oxygen and intensify fire B The chemical is safe C The chemical is corrosive D The chemical is toxic
7 Why should you not eat or drink in the laboratory? A To avoid contamination from chemicals B To save time C Because it is not allowed by school rules only D To keep the lab clean
8 What does the toxic hazard sign mean? A The chemical can cause cancer B The chemical is poisonous C The chemical is flammable D The chemical is corrosive
9 What does the oxidising hazard sign indicate? A The chemical can cause other materials to catch fire B The chemical is always safe C The chemical is a fuel D The chemical is radioactive
10 What is the first step when a chemical spill occurs in the lab? A Inform the teacher and follow safety instructions B Clean it with bare hands C Ignore it if small D Add water to dilute it
11 How should you dispose of used gloves after an experiment? A Put them in your pocket B Throw them in the normal bin as instructed by the teacher C Wash and reuse them always D Leave them on the bench
12 Why should you wear closed shoes in the laboratory? A To protect feet from chemical spills and broken glass B To look smart C To keep feet warm D To run faster
13 Which sign is used for an explosive hazard? A A flame B An exploding bomb C A skull and crossbones D A gas cylinder
14 Which hazard symbol indicates a chemical that can cause damage to living tissue on contact? A Flammable B Oxidising C Corrosive D Environmental hazard
15 Which fire extinguisher is suitable for electrical fires? A Water extinguisher B Foam extinguisher C Carbon dioxide extinguisher D Sand bucket
16 What is the first step when a chemical spills in the lab? A Ignore it and continue working B Inform the teacher and follow safety instructions C Clean it with your bare hands D Add water to it
17 What does the radiation hazard sign warn you about? A Poisonous gas B Radioactive material C Explosive material D Corrosive liquid
18 Which PPE is worn to protect the skin and clothes from chemical spills? A Safety goggles B Lab coat C Face mask D Ear plugs
20 Which hazard symbol indicates a chemical that can easily catch fire? A Flammable B Corrosive C Toxic D Irritant
21 Which of the following is an asphyxiation hazard? A Carbon monoxide gas B Sodium chloride C Water D Sugar
22 Which type of glove is commonly used in school laboratories for handling chemicals? A Woolen gloves B Leather gloves C Nitrile or latex gloves D Cotton gloves
23 Which of the following is a reactive chemical hazard? A Sodium metal stored under oil B Dilute hydrochloric acid C Sodium chloride solution D Water
25 What does the corrosive hazard sign indicate about a chemical? A It can damage living tissue and materials B It can easily catch fire C It can cause cancer D It can explode when heated