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Chemistry (C7: The Chemical Industry) Quiz on C7: Chemical Industry Quiz, created by jamiemcparlin on 29/04/2013.

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C7: Chemical Industry Quiz

C7: Chemical Industry Quiz

Question 1 of 7

1

What is the equation to calculate atom economy?

Select one of the following:

  • Total mass of reactants/ Total mass of products

  • Actual yield/ theoretical yield x 100

  • Mass of atoms in useful product/ Total mass of reactants x100

  • Mass of atoms in producy / Total mass of waste x 100

Explanation

Question 2 of 7

1

What are the problems associated with developing renewable feedstocks from plants

Select one or more of the following:

  • Plants aren't renewable.

  • It uses up a lot of land that is needed for other things

  • It damages the environment because habitat will be cleared to get the pants

  • fertilizers are needed which use a lot of energy to make

Explanation

Question 3 of 7

1

What are the two types of chemicals made by the chemical industry?

Select one of the following:

  • catalysts and feedstock

  • waste and products

  • Bulk chemicals and fine chemicals

  • industrial chemicals and cosmetic chemicals

Explanation

Question 4 of 7

1

How does reducing the activation energy affect the reaction?

Select one or more of the following:

  • Speeds up reaction

  • increases yield

  • Allows reaction to take place at a lower temperature

  • Allows reaction to take place at a lower PH

Explanation

Question 5 of 7

1

What is needed for enzyme catalysts to work?

Select one of the following:

  • optimum activation energy and concentration

  • A high concentration of reactants

  • A neutral sollution

  • optimum temperature and PH

Explanation

Question 6 of 7

1

What is the first stage in chemical production?

Select one of the following:

  • Synthesis

  • preparing feedstock

  • monitoring purity

  • separation of products

Explanation

Question 7 of 7

1

Which of these is NOT a social benefit of Green Chemistry

Select one of the following:

  • Cleaner water in rivers and lakes

  • Cleaner air quality

  • Cleaner buildings

  • Reduced energy costs

Explanation

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