Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Miscellaneous Dangerous Substances : This was introduced in the United Kingdom to identify other hazardous substances and consists of a black exclamation mark on a white background.
Charts showing UN Hazard class symbols on transportation of hazardous goods.
Besides the above recognised classes for hazardous chemicals, there is another very important class of compounds which you should be aware of. 'These are called carcinogens. These are the substances which cause cancer. There are a number of substances which are known to induce cancer many months or years after the initial exposure. Some substances which are known or suspected carcinogens are aniline, chloroform, benzyl chloride, chromates of lead and zinc, hydrazine etc. Ninhydrin - the reagent used in biological and biochemical tests for the presence of amino acids and proteins, is also thought to be a possible carcinogen, but this has yet to be confirmed. Similarly some stains like fusion used in biology lab also belong to this category and extreme care should be exercised in their use. The examples given here are very few, however more and more substances are being shown to be carcinogenic and the fact that even quite common substances may have some carcinogenic activity emphasizes the necessity of consulting reference literature before starting work with materials when you are ignorant of their potential hazards.
Before proceeding further you can try to answer the following question based on the nature of hazardous substances.
Code of Practice in a Laboratory The following is a set of rules you should follow while working in a laboratory: 1. Always wear the required protective clothing. 2. Make
what is the difference in atomic mass of iodine and magnesium
Making soil from rocks Search some soft rocks in your locality like as shale or weathered limestone. Bring them into the classroom and have the peoples crush and grind them up
I need to write a research paper on AI
Explain the Organs of the Urinary System The figure illustrates the organs of the urinary system. As is evident, the organs of the urinary system consist of 2 kidneys, 2 uret
which nutrient contains carbon, hydrogen, oxygen, nitrogen and sometimes sulphur and phosphorus?
ray optics
1. identify ten diagnostic medical term that use diagnostic, note the suffixes and provide the definitions.2. then identify ten related procedural medical terms that use procedural
Nuclear Fission: Splitting the Atom You know that atoms are made up of a nucleus and electrons moving around the nucleus, and the nucleus is made up of protons and neutron
principle of EDTA..
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd