CHEMISTRY (Unit 1) Flashcards
(29 cards)
What is the purpose of Wire Gauze?
Placed on top of a tripod stand to support apparatus (e.g., beaker or conical flask) during heating or boiling.
What is the purpose of a Round Bottom Flask?
Used to hold liquid substances where uniform heating or boiling for a long period is needed.
What is the purpose of a Reagent Bottle?
Used for storage of liquid reagents.
What is the function of a thistle funnel?
To fill a liquid into an apparatus without spilling and prevent gas from escaping.
What is the function of a Test Tube?
Used to hold, mix or heat small amounts of solid or liquid substances in experiments.
What is the function of a Retort Stand and Clamp?
Used to hold apparatus like burettes or condensers safely in place during experiments.
What is the function of a measuring cylinder?
To measure the volume of liquid.
What is the function of a Gas Jar?
A glass container used to collect gases during experiments.
What is the function of a crucible and lid?
To hold small amounts of solid substances during heating.
What is an evaporating dish used for?
To heat and evaporate liquid and solution.
What is an electronic balance used for?
To weigh the mass of an object in the laboratory.
What is a Watch Glass used for?
Used to hold substances being weighed/observed, as a lid, or a surface to evaporate liquid.
What is a thermometer used for?
To measure temperature for experiments.
What is a test tube rack used for?
To store test tubes.
What is a test tube holder used for?
To hold a test tube while heating.
What is a stopwatch used for?
To measure the time interval of an experiment in the lab.
What is a spatula used for?
Taking solid substances.
What is a separating funnel used for?
To separate two immiscible liquids.
What is a pipette used for?
To measure a definite volume of liquid accurately and transfer it to another container.
What is a flat bottom flask used for?
To hold liquid in experiments at room temperature.
What is a filter funnel used for?
Pouring liquid through a small opening and separating solids from liquids using filter paper.
What is a dropper used for?
Adding very small amounts of liquid.
What is a Conical Flask used for?
Used to hold liquids in experiments that require mixing, shaking, swirling, or heating without spilling.
What is a clay triangle used for?
To support a crucible while it is heated.