Safety in the Chemical Laboratory - 中国大学mooc

Introduction of Safety in Chemical Lab

Test 1

1、Which is most necessary when dealing with toxic reagents
    A、Masks
    B、Gloves
    C、Goggles
    D、Fume hood

2、Do not wear（） in inflammable and explosive places
    A、Cloth shoes
    B、Rubber shoes
    C、Spiked shoes
    D、Sneakers

3、which is bad habit for use of laboratory refrigerator
    A、Regular defrosting and cleaning
    B、Disinfect the inner surface regularly
    C、All chemicals stored shall be marked with the name , the date and the storer
    D、The flammable solution placed in the ordinary refrigerator shall be noted on the door of refrigerator

4、After using reagents in chemical lab, you should to
    A、put it back in place immediatel
    B、put it in an easy accessing place
    C、make up by yourself,when it is insufficient
    D、keep the bottle open for easy use next time

5、The wrong statement about MSDS is
    A、It describes the measures of self rescue or mutual rescue on site when the operators are accidentally injured
    B、It describes the preparation methods of chemicals
    C、It describes the physical and chemical properties of chemicals
    D、It describes the toxicological information on chemicals

Identification and Classification of Hazardous Chemicals

Test2

1、which the following chemical can be identificated by this symbol
    A、Sulfur
    B、sodium
    C、Silica gel
    D、ethanol

2、when using inflammable OR explosive chemicals, which operation is wrong
    A、Operate in fume hood
    B、Avoid collision
    C、Heat by open fire and oil bath
    D、Avoid exposure to the sun

3、This is a NFPA 704 symbol， in which blue means
    A、Health hazards
    B、Flammability
    C、Reactivity
    D、Special hazards

4、Which is not hazardous chemical
    A、Ethanol
    B、Potassium permanganate
    C、Potassium cyanide
    D、Potassium chloride

5、NFPA four color symbol can not show the chemical's
    A、Health hazards
    B、Physical hazard
    C、Environmental hazards
    D、Water hazards

Hazardous Chemicals

Test 3

1、All the following medicines except () need to be stored in a special counter by a special person.
    A、Potassium cyanid
    B、Mercury chlorid
    C、Thallium sulfat
    D、Formaldehyde

2、The wrong statement about the storage of chemical reagents is:
    A、Volatile chemical reagents should be sealed and stored
    B、Chemical reagents with conflicting chemical properties or fire extinguishing methods shall not be stored in the same cabinet
    C、For easy access, the laboratory can store more commonly used reagents
    D、Fire extinguishers, sand buckets and other fire-fighting supplies should be installed in conspicuous places

3、The correct statement about the purchase of highly toxic drugs is:
    A、Apply to the school security office and approve the preparatio
    B、After approval by the Public Security Burea
    C、After approval by the Environmental Protection Agency
    D、Purchase through normal channels in designated dangerous chemicals stores

4、If organic chemicals are on fire, the measure to be taken is
    A、CO2 Extinguisher
    B、High-pressure water gun
    C、ABC Fire Extinguisher
    D、Cover with damp cloth or sand

5、Which of the following chemicals should not be stored for more than one year, and if exposed to air, peroxides can form when exposed to light
    A、Ethanol
    B、Tetrahydrofura
    C、Ether
    D、Phenol