3 Reaction kinetics mainly deals with: A Amount of reactants B Speed of reactions C Color of products D Mass of products
4 Chemical kinetics helps in food preservation by: A Speeding up spoilage B Slowing down reactions C Changing nutrients D Adding colors
5 Enzymes are best described as: A Inorganic catalysts B Synthetic chemicals C Biological catalysts D Reactants
7 Enzymes are specific because: A They work for all reactions B They work for specific substrates C They are inorganic D They are consumed
8 Which graph best represents a fast reaction? A Gentle slope B Horizontal line C Steep slope D Zigzag line