practical test (nat sci)

Petri dish

A shallow dish used to hold or observe small samples.

Conical funnel

Used to transfer liquids or solids into containers with small openings and for filtration.

Erlenmeyer flask

Used for mixing, heating, and holding liquids with minimal splashing.

Beaker

Used for mixing, heating, and roughly measuring liquids.

Wash bottles

Used to dispense distilled water or solvents for rinsing.

Pasteur pipette

Used to transfer small amounts of liquid dropwise.

Test tube

Used to hold, mix, or heat small quantities of substances.

Watch glass

Used for evaporating liquids, covering beakers, or holding solids.

Volumetric flask

Used to prepare solutions with very precise volumes.

Graduated cylinder

Used to accurately measure liquid volumes.

Burette

Used to deliver precise volumes of liquid, especially in titration.

Ring stand

A vertical metal stand used to support clamps and rings in laboratory setups.

Clamps and holders

Devices used to secure and hold glassware firmly to a ring stand.

Burette clamp

A clamp designed to hold a burette upright during titration.

Test tube clamp/tong

A tool used to hold test tubes, especially when heating.

Ring clamp

A circular clamp attached to a stand to support funnels or glassware.

Test tube rack

A holder used to keep test tubes upright and organized.