Prospects of the chemical industry
Answers are for parents and teachers.
1
List three main tasks for the chemical industry.
Creating new materials; complete processing of raw materials; waste-free and safe technologies.
2
How many kg of nitrogen are in 200 kg of NH₄NO₃? (M = 80)
70
3
Why is plastic waste a problem and what should be done with it?
It does not rot in soil and burning releases toxic gases; it should be sorted and recycled.
4
How does chemistry help medicine? Give two examples.
Synthesis of new drugs; materials for medical equipment and analytical methods.
5
How many kg of nitrogen does 1 tonne (1000 kg) of NH₄NO₃ give? (28/80)
350