Another clip from yesterday’s activity. Great effort taking particular care with eye protection in the lab. Well done boys, very professional.

  • Hydrogen is a light gas.
  • It can be collected in an upturned test tube
  • We can make small samples by dropping a reactive metal such as magnesium into dilute hydrochloric or sulphuric acids.
  • Mixtures of hydrogen in air are explosive in the right amounts giving a characteristic pop when a flame is brought close.

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