Biology, asked by kumariseema66268, 7 months ago

18. The gas which is colourless with the smell of rotten eggs.
a. Chlorine
b. Hydrogen Sulphide
c. Hydrogen
d. Sulphur
19. Name the substance which can not be broken down by Chemical reactions into simpler sub
Compound
b Flement
c. Mixture
d. None o​

Answers

Answered by anshulkathayat
0

Answer:

18. (c) hydrogen

19. (b) elements

Answered by Pratyush1808146098
0

Answer:

hydrogen sulphide ..................................

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