Class 9 Chemistry · Chapter 13 · Test 2
Radiation, PPE and Emergencies
25 MCQs covering reactive chemical safety radiation hazards asphyxiation hazards hazard signs personal protective equipment fire extinguishers emergency showers emergency drills and laboratory emergency procedures.
25 questions · 20 min · 25 marks
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Sample questions
The first 5 of 25. Try each one, then tap to see the answer.
Question 1
How should reactive chemicals be handled?
- AWith utmost care
- BWithout precautions
- COnly after heating
- DWith bare hands
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Answer: A
Reactive chemicals should be handled with utmost care because improper handling can cause dangerous reactions.
Question 2
How should reactive chemicals be stored?
- ASegregated from incompatible materials
- BAll together in one container
- CNear heat sources
- DIn open containers
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Answer: A
Reactive chemicals should be segregated during storage to reduce the risk of hazardous reactions.
Question 3
What should be done before carrying out a reaction involving reactive chemicals?
- ATake appropriate safety measures
- BIncrease the chemical quantity
- CRemove protective equipment
- DWork alone
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Answer: A
Appropriate safety measures should be taken before reactions involving reactive chemicals.
Question 4
What protective equipment is recommended when handling reactive chemicals?
- ASafety shield and heavy gloves
- BOnly sandals
- CNo protective equipment
- DOnly a face mask
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Answer: A
A safety shield and heavy gloves are recommended when handling reactive chemicals.
Question 5
What quantity of reactive chemical should be used when possible?
- AThe minimum required quantity
- BThe largest available quantity
- CAn unlimited quantity
- DAny quantity without planning
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Answer: A
The quantity of reactive chemical should be minimized to reduce risk.
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