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Dilute hydrochloric acid is added to granulated zinc taken in a test tube. The correct observation is:
  • a)
    The surface of metal becomes shining
  • b)
    The reaction mixture turns milky
  • c)
    Odour of a pungent smelling gas is recorded
  • d)
    A colourless and odourless gas is evolved
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Dilute hydrochloric acid is added to granulated zinc taken in a test ...
Concept
The reaction of Zn and HCl is example of displacement reaction.
When a more reactive element displaces a less reactive element from its compound then that is known as displacement reaction. Both metals and nonmetals take part in displacement reactions
Application:
The underlying reaction between hydrochloric acid and granulated zinc is :
Zn + 2HCl → ZnCl2 + H2
From the above reaction the gas released is H2
H2 is colourless odourless gas which burns with a popping sound.
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Dilute hydrochloric acid is added to granulated zinc taken in a test tube. The correct observation is:a)The surface of metal becomes shiningb)The reaction mixture turns milkyc)Odour of a pungent smelling gas is recordedd)A colourless and odourless gas is evolvedCorrect answer is option 'D'. Can you explain this answer?
Question Description
Dilute hydrochloric acid is added to granulated zinc taken in a test tube. The correct observation is:a)The surface of metal becomes shiningb)The reaction mixture turns milkyc)Odour of a pungent smelling gas is recordedd)A colourless and odourless gas is evolvedCorrect answer is option 'D'. Can you explain this answer? for Railways 2024 is part of Railways preparation. The Question and answers have been prepared according to the Railways exam syllabus. Information about Dilute hydrochloric acid is added to granulated zinc taken in a test tube. The correct observation is:a)The surface of metal becomes shiningb)The reaction mixture turns milkyc)Odour of a pungent smelling gas is recordedd)A colourless and odourless gas is evolvedCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Railways 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Dilute hydrochloric acid is added to granulated zinc taken in a test tube. The correct observation is:a)The surface of metal becomes shiningb)The reaction mixture turns milkyc)Odour of a pungent smelling gas is recordedd)A colourless and odourless gas is evolvedCorrect answer is option 'D'. Can you explain this answer?.
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