Practice question

A reactive material that is 'incompatible' with another (for example a strong acid stored near a cyanide salt) is a concern because mixing them could:

  1. Always be harmless
  2. Generate heat, toxic gas (such as hydrogen cyanide) or a violent reaction
  3. Neutralize both safely with no byproducts
  4. Only change the color

Answer: B — Generate heat, toxic gas (such as hydrogen cyanide) or a violent reaction

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