Quiz
C7: Chemical Industry Quiz
Perguntas do quiz (7)
1What is the equation to calculate atom economy?
- ATotal mass of reactants/ Total mass of products
- BActual yield/ theoretical yield x 100
- CMass of atoms in useful product/ Total mass of reactants x100
- DMass of atoms in producy / Total mass of waste x 100
2What are the problems associated with developing renewable feedstocks from plants
- APlants aren't renewable.
- BIt uses up a lot of land that is needed for other things
- CIt damages the environment because habitat will be cleared to get the pants
- Dfertilizers are needed which use a lot of energy to make
3What are the two types of chemicals made by the chemical industry?
- Acatalysts and feedstock
- Bwaste and products
- CBulk chemicals and fine chemicals
- Dindustrial chemicals and cosmetic chemicals
4How does reducing the activation energy affect the reaction?
- ASpeeds up reaction
- Bincreases yield
- CAllows reaction to take place at a lower temperature
- DAllows reaction to take place at a lower PH
5What is needed for enzyme catalysts to work?
- Aoptimum activation energy and concentration
- BA high concentration of reactants
- CA neutral sollution
- Doptimum temperature and PH
6What is the first stage in chemical production?
- ASynthesis
- Bpreparing feedstock
- Cmonitoring purity
- Dseparation of products
7Which of these is NOT a social benefit of Green Chemistry
- ACleaner water in rivers and lakes
- BCleaner air quality
- CCleaner buildings
- DReduced energy costs
Informações
- Descrição
- Chemistry (C7: The Chemical Industry) Quiz sobre C7: Chemical Industry Quiz, criado por jamiemcparlin em 29-04-2013.
- Autor
- jamiemcparlin
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- English
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