Laboratory Instruments (Part 1)

Which of the followings can be used to store light-sensitive chemicals?

• 
• 
• 
• 

Which of the item can be used to measure a critical volume?

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• 

Which of the followings can used to measure optical density using spectrophotometer?

• 
• 

________ are made of flint glass.

• Conical flasks

• Beakers

• Disposable test tubes

• Cuvettes

Polystyrene is less expensive compare to polyethylene

• TRUE

• FALSE

Beaker can be heat using direct flame.

• TRUE

• FALSE

To avoid contamination, plastic petri dish must be autoclaved before use.

• TRUE

• FALSE

Erlenmeyer flask is also known as conical flask.

• TRUE

• FALSE

Which one is Mohr pipette?

• A

• B

This items are made of _________

• Polystyrene

• Polyethylene

• Silica

• Borosilicate