Reorder the following in increasing order of particle size.

GCSE|Edexcel| Chemistry P2H (Nov 2021)

Quiz
•
Chemistry
•
10th Grade
•
Hard
Aayushi Pandey
FREE Resource
46 questions
Show all answers
1.
REORDER QUESTION
1 min • 2 pts
sodium atom
starch molecule
ethene molecule
nanoparticle
2.
OPEN ENDED QUESTION
3 mins • 2 pts
Explain a possible risk associated with nanoparticulate materials.
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3.
OPEN ENDED QUESTION
3 mins • 2 pts
Explain the advantage of using catalysts made of nanoparticles rather than larger particles.
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4.
OPEN ENDED QUESTION
3 mins • 2 pts
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5.
OPEN ENDED QUESTION
3 mins • 2 pts
Explain how Figure 2 shows that dissolving ammonium chloride in water is an endothermic process.
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6.
OPEN ENDED QUESTION
3 mins • 2 pts
Complete the reaction profile in Figure 2 and label the activation energy.
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7.
OPEN ENDED QUESTION
3 mins • 3 pts
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