1.1 and 1.2 Chemical Reactions
Quiz by Maya Serhan
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8 questions
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- Q11. Which type of chemical bonds share their electrons?van der WaalsCovalentIonic30s
- Q22. Which of the below bonds is the weakest?ionicVan der Waalscovalent30s
- Q33. Which of the bonds listed below is found BETWEEN water molecules (shown in dashed lines ------- in the image)?covalentionicVan der Waals30s
- Q44. Does the diagram represent a chemical reaction? Select your answer below with the correct explanation.Yes, because the reactants are rearranged to make new productsNo, because there is no change in the reactantsYes, because the reactants are the same as the products after the reactionNo, because there is no energy change30s
- Q55. You must initially provide the match stick with heat energy before it starts to burn/react. What name is given to this initial input of energy to start a reaction?Heat energyChemical energyActivation energyEndothermic energy30s
- Q6Which of the below is correct for a reaction where the reactants have a higher energy level than the products?30s
- Q77. Which of the below explains how enzymes speed up a reaction?They make more productsThey lower the activation energyThey release more heatThey raise the activation energy30s
- Q88. The image represents an enzyme chemical reaction. Which of the below is a correct label for the image?A- productsF-active siteE-enzymeC-activation energy30s
