SELECT * FROM question_mgmt as q WHERE id=3508 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=9 AND subId=16 AND chapterId=253 and ex_no='2' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 10th science Acids, Bases and Salts which gas is usually liberated when an acid reacts

Question:

Which gas is usually liberated when an acid reacts with a metal? Illustrate with an example. How will you test for the presence of this gas?

Answer:

An acid when reacts with a metal Hydrogen gas is liberated

Let's take a few pieces of zinc metals and add a few drops of dilute H2SO4 mouth of the test tube is fitted with a cork and the delivery tube is fitted so that the gas evolved reaches the soap solution. Hydrogen gas forms bubbles on the soap solution.

H2SO4 + Zn → ZnSO4 + H2 ↑

When we bring a burning candle near the gas, a pop sound will produce. It indicates the presence of Hydrogen gas.


< Previous Question

Next Question >

SELECT ex_no,question,question_no,id,chapter FROM question_mgmt as q WHERE courseId='9' AND subId='16' AND ex_no!=0 AND status=1 and id!=3508 ORDER BY views desc, last_viewed_on desc limit 0,10

  • Popular questions of class 10 Science

SELECT ex_no,question,question_no,id,chapter FROM question_mgmt as q WHERE courseId='9' AND subId='16' AND ex_no!=0 AND status=1 and id!=3508 ORDER BY last_viewed_on desc limit 0,10

  • Recently Viewed Questions of Class 10 Science

Comments

  • Answered by Ekta Mehta
  • 4 months ago

Taking Screenshots on your Samsung Galaxy M31s is very easy and quick.

  • Answered by Ekta Mehta
  • 4 months ago

Taking Screenshots on your Samsung Galaxy M31s is very easy and quick.

  • Answered by Ekta Mehta
  • 4 months ago

Taking Screenshots on your Samsung Galaxy M31s is very easy and quick.

Comment(s) on this Question


NCERT Solutions

Quick Links

Resources

Support