EASY
Earn 100

Which of the following laboratory equipment is used for stirring and pouring liquid during decantation?

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Important Questions on Know About Some Common Gases

MEDIUM
Why is an indicator needed, for titrations?
MEDIUM
Describe the thermometer used in chemistry laboratories.
MEDIUM
Describe the gas jar and explain what it is used for.
MEDIUM

Make a drawing of the apparatus labelling the water trough, measuring cylinder, delivery tube, flask, and dropping funnel. This apparatus is used to collect gases in the lab.

EASY
Describe the water trough and explain what it is used for.
MEDIUM
Test-tube is a common laboratory apparatus. Explain what it is used for.
MEDIUM
Suggest another indicator the student could use, in place of methyl orange.
MEDIUM
Describe the gas syringe and explain what it is used for.
MEDIUM
Describe the filter funnel and explain what it is used for.
MEDIUM
Beaker is a common laboratory apparatus. Explain what it is used for.
MEDIUM

A sample of soil from a vegetable garden was thoroughly crushed, and water added as shown:

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Now, using a conical flask, filter funnel, filter paper, universal indicator, and dropping pipette, show how you would measure the pH of the soil.

MEDIUM

Arrange these pieces of apparatus in the order of accuracy for measuring out a volume of a liquid.

Beaker, measuring cylinder, burette, pipette.

MEDIUM

Measuring cylinder is a common laboratory apparatus. Explain what it is used for.

EASY

A student used the apparatus shown below to calculate the concentration of a solution of calcium hydroxide. Name the piece of apparatus labelled A.

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MEDIUM
Conical flask is a common laboratory apparatus. Explain what it is used for.
MEDIUM
Describe the condenser and explain what it is used for.
MEDIUM
Pipette is a common laboratory apparatus. Explain what it is used for.
MEDIUM
Burette is a common laboratory apparatus. Explain what it is used for.
MEDIUM
Describe how to carry out the procedure of filtration.