CONCHEM Q2

• Chemical Reaction is the process by which a chemical change takes place, resulting in a new substance.
• Subscripts in a Chemical Reaction represent the number of atoms.
• Coefficients in a Chemical Reaction represent the number of molecules.
• A Chemical Equation undergoes a chemical reaction or process.
• A Chemical Equation is the shorthand way of expressing chemical reactions using numbers, symbols, and formulas.
• Reactants in a Chemical Equation are the starting materials.
• Products in a Chemical Equation are the new substance.
• In a Chemical Equation, addition sign (+) is used to separate one reactant or product from another.
• In a Chemical Equation, an arrow is used to separate the reactant and product.
• In a Chemical Equation, (s) is used to represent solid.
• In a Chemical Equation, (l) is used to represent liquid.
• In a Chemical Equation, (g) is used to represent gas.
• In a Chemical Equation, (aq) is aqueous.
• In a Chemical Equation, Δ is used when heat is applied.
• Balancing Chemical Reactions involves adjusting the coefficients until the number of atoms of each element on each side of an equation are equal.
• The Law of Conservation of Mass states that mass is neither created nor destroyed in any ordinary chemical reaction.
• What are long nose pliers used for?

  They are used to bend, re-position, and snip wire.
• What is the design feature of channel lock pliers?

  They have serrated jaws set at an angle of 45 to 60 degrees from the handles.
• What type of head does a Philips screw have?

  A Philips screw has a head with a cross slot.
• What is the purpose of alien wrenches?

  They are used to turn bolts and screws with hexagonal sockets.
• What is a wire stripper used for?

  It is used to strip the electrical insulation from electric wires.
• How does a wire crimper function?

  It joins two pieces of metal by deforming one or both to hold the other.
• What is a helping hand or third hand?

  It is a compact station composed of clamps, magnifying glass, and holders.
• What is a side cutting plier used for?

  It is used to cut wire.
• What is a pocket knife?

  A pocket knife is a foldable knife with one or more blades that fit inside the handle.
• What are tweezers used for?

  Tweezers are used for plucking out hairs and picking up small objects.
• What is the function of fish tape?

  Fish tape is used to route new wiring through walls and electrical conduit.
• What is a push-pull ruler?

  A push-pull ruler is a measuring tape that coils into a compact case.
• What does a level do?

  A level establishes a horizontal plane using a glass tube containing liquid and an air bubble.
• What is a magnifier?


  A magnifier is a lens that produces an enlarged image, typically used to examine small details.
• What is the purpose of lighting in a workspace?

  Lighting is used to achieve a practical or aesthetic effect.
• What is an antistatic wristband?


  An antistatic wristband is used to safely ground a person working on sensitive electronic equipment.
• What is electrical tape used for?

  Electrical tape is used to insulate electrical wires and other conductive materials.
• What is a soldering gun?

  A soldering gun is an electrically powered tool for soldering metals.
• What is the process of soldering?


  Soldering is a joining process that melts solder to create a strong electrical bond.
• What is a tick tracer used for?

  A tick tracer detects the presence of voltage without direct contact with the conductor.
• What is an electric drill?

  An electric drill is a rotating power drill powered by an electric motor.
• What is the function of an oscilloscope?

  An oscilloscope is used for viewing oscillations of electrical voltage or current.
• What does a signal generator do?

  A signal generator generates repeating or non-repeating electronic signals.