Sets of Instructions followed in Chemistry Laboratory
Sets of Instructions in Chemical Laboratory
A chemical laboratory is a place of serious work where careful works like preparation, identification and estimation of chemical substances is accomplished. Anyone inside the chemical laboratory must know the proper use of the equipments and the precautions to be observed.
A chemical laboratory is usually equipped with the following:
1. Demonstration table near the writing board where demonstrator demonstrates an experiments.
2. Studen's working table having reagent self, side shelves, burette and pipette stand, gas tap, water tap, sink, waste box, fume cupboard, weighing machine, exahaust fans, first aid box and fire extinguishers.
Apparatus used in the laboratory:
LABORAORY INSTRUCTIONS:
1. Before performing an experiment, understand it and put questions to your teachers or demonstrators if ou have any doubts. Never attempt unknown reactions.
2. Perform experiments honestly without thinking of the result.
3. Plan to finish an experiment in a stipulated period. Utilise the time of filtration or heating in doing other jobs related to that xperiment.
4. Be economical with reagents and bear in your mind " A pinch of salt or 1 ml of test solution". Be economical with water and fuel gas also. Close water and gas taps just after use.
5. Wear apron, hand gloves ang protective goggles whereever necessary.
6. Be careful of acid spils. Close the reagent bottles soon after you take out chemicals. In case of accidental acid spill on table clean in after the experiment is over. Report any small injury to your teacher.
7. Clean the apparatus after experiment.
8. Handle concentrated acid with proper techniques.
9. Avoid being fined for careless breaking of instruments,
10. Do not touch chemicals with naked hands unless you are directed.
11. Do not taste chemicals unless you are directed.
12. Do not pour the leftover chemicals into the stock bottles otherwise it will contaminate the stock solutions.
13. Do not place the stopper or dropper on the working table.
14. Avoid bringing flammable liquids like alcohol near flame.
15. Burning match sticks must not be thrown into the waste box.
16. Side shelves are common to all students, so do not bring chemicals from there to your table, instead go there, take out chemicals and place reagent bottles at the right places without disturbing the alphabetical order.
This post will regularly be improved with additional details. Kindly share with your friends.
Image Credit:
1. female chemist:
from pxfuel.com
2. Chemical Apparatus:
https://upload.wikimedia.org/wikipedia/commons/4/47/More_simple_chemistry_apparatus.gif
Chris Evans, Dr. Roger Peters, Dr. Mike Thompson, Chris Gadsby, Ken Partridge, Roy Mylan, Yehoshua Sivan, Tom Nation, Dr. David Follows, Vikash Hemnath Seeboo, CC0, via Wikimedia Commons
Popular Posts
Ethics and Values for Semester - I, Books, Syllabus, Important Questions and Answers
Ethics and Values for Semester - I, Books, Syllabus, Important Questions and Answers Recently Odisha Universities have introduced a new course named "Ethics and Values" under AECC (Ability enhancement compulsory courses) for all streams (Arts/ Science/ Commerce). Being very new to the syllabus students are confused how to cover it and how to write the answers. Thus this post is for all of them who want to score well in this subject. This post will provide you all important question and answer related to this subject. Also this will provide you the best books to study and score good. Objectives and learning goals of the course: 1. To develop good human being and responsible citizensF, 2. To develop capability to choose between right and wrong which leads to correct behaviour. 3. To create a positive attitude and to develop healthy work culture. style="line-height: 35px; text-align: justify;"> ...
Previous Year 1st Semester Chemistry Honours Questions and Solutions
Previous Year University Chemistry 1 st Semester Honours Questions and Solutions This website will provide you with university semester questions and solutions. Accordingly prepare your examination well. Getting previous year question papers and solution is a boost to your confidence and keeps you relaxed in the examination hall. But it is not easy to collect all the question papers of all the subjects at a time easily. Also this post will provide you the questions from various universities. Click on the links below to get Questions and Solutions: (At the end you will get most probable questions) AECC and GE (Here you can find the ability enhancement Course (Odia) and GE Physics Questions) Exam Questions (Previous year question papers in various examinations) CC - Honours (The Chemistry Honours Questions CC I & II) Sample Chemistry Major Questions CC - I Chemistry Major No. 1. 1 X 8 = 8 ...
Notes on Thermodynamics (Intermediate and BSc)
Notes on Thermodynamics A chapter in chemistry can be ranked according to its depth and complexity. Chemical thermodynamics can be ranked to the top most position in this concern. Hence it is almost essential to have either a very good book or very best notes to be able to get the concept and solve the problems and questions answers . You can also have notes on Periodic table , Gaseous state for BSc , Phase rule , Industrial chemicals and environment , and Solid state , Chemical equilibrium , . This post is dedicated to all chemistry fans who enjoy reading wonderful explanations of chemistry. Bellow you will find best notes on Thermodynamics. Follow our YouTube Channel Soul of Chemistry , to further strengthen your concept. The First Law of Thermodynamics Thermodynamics is concerned with the heat motion (flow). In general, it deals with the relation betwe...
Generic Elective Chemistry - I Question Papers and Solutions
Generic Elective Chemistry- Paper I Students of different honours often find it difficult to get G.E (Generic elective) chemistry question papers and solution . This post will help you meet all your needs by bringing you the most probable questions (Long and Short) in GE -I chemistry . Read to the end carefully and find important links. GET ALL NOTES BY CLICKING ME. The GE - I (Chemistry) consists of two parts : Inorganic and Organic. Several most probable question have been prepared from both of these sections. Prepare all the long questions and automatically you will be able to answer the short questions. Most probable short questions are given is another link below. Now a days, direct chemistry questions are not asked rather asked from bit by bit. Hence you have to read and memorize the concept clearly. If you want to get GE - I chemistry full course l...