Two compounds of barium are barium sulfide and barium chloride - Edexcel - GCSE Chemistry Combined Science - Question 3 - 2018 - Paper 1
Question 3
Two compounds of barium are barium sulfide and barium chloride.
(a) The hazard symbol shown in Figure 2 is on bottles containing barium metal.
State the meaning of ... show full transcript
Worked Solution & Example Answer:Two compounds of barium are barium sulfide and barium chloride - Edexcel - GCSE Chemistry Combined Science - Question 3 - 2018 - Paper 1
Step 1
State the meaning of this hazard symbol.
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Answer
The hazard symbol indicates that the substance is flammable, meaning it is capable of catching fire easily.
Step 2
Give the names of the elements combined in barium sulfide.
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Answer
The elements combined in barium sulfide are barium and sulfur.
Step 3
Explain one safety precaution that should be taken when using barium chloride.
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One safety precaution is to wear gloves to prevent direct contact with the skin, reducing the risk of toxicity and absorption.
