Chemistry
List any five precautions to be taken while performing an experiment in a chemistry laboratory.
Common Lab Apparatus
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Answer
- We should not work alone in the laboratory.
- We should always wear a lab coat in the laboratory. It protects our clothes.
- We must follow our teacher's instructions whenever we perform an experiment.
- We should not touch or taste any unknown substance or inhale any unknown gas directly.
- After the experiment is completed, we should properly wash, clean, dry the apparatus and put them back in their respective places in the laboratory.
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Related Questions
From what materials are the following made up of ?
(a) Test tube rack
(b) Test tube holder
(c) Measuring cylinder
(d) Wire gauze
(e) Mortar and pestle
Mention one use of each of the following equipments:
(a) Spirit lamp
(b) Test tube
(c) Conical flask
(d) Evaporating dish
(e) Wire gauze
(f) Beaker
(g) Mortar and pestle
(h) Measuring cylinder
(i) Glass tube
(j) Gas jar
(k) Reagent bottle
Answer the following questions in brief:
(a) Why is chemistry known as an experimental science?
(b) Why are most of the apparatus made of glass?
Label the marked equipments and apparatus in the diagram given below.
