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State and explain the factors that are considered when collecting a gas by displacement of:

  1. Air
  2. Water

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1.Density:The gas which is denser than air is collected by downward delivery while the gas which is less dense is collected by upward delivery
2.Solubility:The gas insoluble in water is collected over water
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1.Density:The gas which is denser than air is collected by downward delivery while the gas which is less dense is collected by upward delivery
2.Solubility:The gas insoluble in water is collected over water
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