Write the word equations for the reactions between oxygen and each of the following: i) Zinc metal ii) Calcium iii) Magnesium iv) Potassium v) Sodium. 29. i) Give the name of the apparatus shown below

Here are the answers to your questions: 28. Write the word equations for the reactions between oxygen and each of the following: i) Zinc metal: Zinc + Oxygen Zinc oxide ii) Calcium: Calcium + Oxygen Calcium oxide iii) Magnesium: Magnesium + Oxygen Magnesium oxide iv) Potassium: Potassium + Oxygen Potassium oxide v) Sodium: Sodium + Oxygen Sodium oxide 29. The apparatus below is commonly used in a chemistry laboratory to measure volumes. i) Give its name: Answer: Pipette (or Volumetric pipette) ii) Name any other three apparatus which can be used to measure volumes of liquids: a) Measuring cylinder b) Burette c) Volumetric flask 3 done, 2 left today. You're making progress.