Question

1.
A yellow powder'X'burns in air to form a gas'Y' with pungent, suffocating odour. The gas'Y'
dissolves in water to form 'Z', which turns blue litmus solution red. Identify'X, Y, and 'Z'and
write relevant chemical equations.(Hint: Chemical properties)
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Answer 1

Answer:

x-sulphur

y-hydroge

z- hydrogen sulphide