To voltage probes

2-12 Melting Point of p-dichloroben- zene

Description : Determines the melting point of p- dichlorobenzene.

Probe

: Temperature Probe

File Name

: MELTPNT

Temperature probe

Test tube

Water

ParadichlorobenzeneBeaker

Alcohol lamp

2-13 Simple Pendulum

Description : Produces a sine wave based on the movement of a simple pendulum.

Probe

: Voltage Probe

File Name

: PENDULUM

Stand

Variable resistor

Red (+5 to 10V) (Type A, 10k )

Blue (+) }

Black (G, –)

Piano wire

Weight

2-14 Measurement of pH with Colorimetric Density Meter

Description : Measures the acidity of rainwater.

Probe

: Light Probe

File Name : PHMEASUR

Opening for test tube

500ml brown beaker

Upper and lower test tube openings

Light probe

LED

Made of three film cases

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