Chem 1LD Safety Practical with correct answers 100% 2026

Chem 1LD Safety Practical with correct answers 100% 2026 The most probable laboratory emergencies are chemical spills, minor burns and cuts, and fires. Which of the following statements are TRUE about responding to emergencies? options: If possible, turn off all lab equipment before leaving lab for fire alarm Stay calm Know where the stairwells are All laboratories must have two exits - Correct Answer All of the above Which of the following common household products contain flammable chemicals? (Select all that apply) options: gasoline rubbing alcohol bleach nail polish remover antifreeze liquid hand soap - Correct Answer gasoline rubbing alcohol nail polish remover antifreeze Which of the following are ways to stop a fire? (Select all that apply) options: remove ignition source place a beaker over a small flame to remove oxygen ground metal container to reduce static electricity limit quantities of flammable substances in work area - Correct Answer All of the above Which of the following statements are true about flammability? (Select all that apply) options: Inflammable is another word for flammable Flammable chemicals can be liquids or solids, gases don't burn. The boiling point of a flammable liquid is usually high. A fire cannot start above or below a vapor's flammability limits. Combustible is the same as flammable. All volatile chemicals are flammable - Correct Answer inflammable is another word for flammable a fire cannot start above or below a vapors flammability limits The National Fire Protection Association (NFPA) diamond has a [A] section for flammability. If the number [B] appears in this section, the chemical is extremely flammable. If the number [C] appears in this section, the chemical is a combustible, it will catch fire when heated. The Global Harmonized System (GHS) symbol is a picture of a [D]. If the hazard category is [E], the chemical is extremely flammable. If the hazard category is [F], the chemical is combustible. options: [A] = red, blue, yellow, white [B] = 0, 1, 2, 3 ,4 [C] = 0, 1, 2, 3, 4 [D] = fire, fire with an O in the middle, an explosion, an exclamation point, a skull and cross-bone [E] = HC1, HC2, HC3, CH4 [F] = HC1, HC2, HC3, HC4 - Correct Answer [A] = red