1 |
The label "Warning " on a chemial bottle signifies. |
- A. That the chemicla can cause less serious injury
- B. That user should open it only in the presence of a teacher
- C. That user should be careful when using chemical
- D. That the chemical can cause serious injury
|
2 |
Toxic chemical is |
- A. Benzene
- B. Chlorine
- C. Mercury ,benzene, chlorine
- D. None of these
|
3 |
The label "Corrosive" on a cheiclabottle indicates. |
- A. That the material is an oxidizing agent
- B. That the contact dwestroys living tissue
- C. That the material can degrade rapidly upon expsure
- D. That the chemical can explode
|
4 |
When diluting an acid with water |
- A. Always add acid to water
- B. Do not stir the container
- C. Do it quickly
- D. Always add water to acid
|
5 |
PPE means |
- A. Personal Protective equipment
- B. Personal Peoples equipment
- C. Pipe Protective equipment
- D. None of the these
|
6 |
Example of highly toxic chemical |
- A. Ethanol
- B. Potassium Cyanide
- C. Potassium permaganate
- D. Acetic acid
|
7 |
Accidents ofter result from |
- A. Failure to follow instructions
- B. Failure to use common sense
- C. Making mistakes
- D. All of the above
|
8 |
Safety in the chemistry laboratory is |
- A. A shared responsibility
- B. The responsibility of the stueents only
- C. The resposibiliyt of the professor only
- D. The responsibiliyt of the lab incharge only
|
9 |
What should you do in case of a fire drill in lab |
- A. Close gas values and turn off al equipment
- B. Run to safey shower
- C. Climb into the fume cupboard
- D. Close gas values and turn off all equipment
|
10 |
Example of self-reactive chemical |
- A. Potassium
- B. Phenol
- C. Picric acid
- D. n-Hexane
|