Fencing metal is treated with dilute solution of a strong acid a gas is evolved which is it allowed in hydrogenation of oil name the gas evolved write the chemical equation of a reaction in wall and also write a test to detect the cash.
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Hey Hamsa,
#fencing metal-Zinc
#strong acid-HCL acid
#gas evolved-Hydrogen gas
#chemical equation-
Zn+2HCL⇒ZnCl₂+H₂↑
# To test the presence of H₂ gas when a burning splinter is brought near the mouth of the test tube, the gas burns with a pop sound.
hope dis helps u!
with regards,
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