StudentAidUnit 13: Laboratory and Practical Skills — Mcqs
9th Class Chemistry · Unit 13: Laboratory and Practical Skills
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1.Safety in the chemistry laboratory is:
2.Accidents often result from:
3.The label "Warning" on a chemical bottle signifies:
- a That the chemical can cause less serious injury
- b That the chemical can cause serious injury
- c That user should be careful when using chemical
- d That user should open it only in the presence of a teacher
4.The label "Corrosive" on a chemical bottle indicates:
5.Example of highly toxic chemical:
6.Example of self-reactive chemical:
7.When diluting an acid with water:
8.What should you do in case of a fire drill in lab?