Q24 of 28 Page 2

What will happen to a lighted candle if it is brought near the mouth of a gas jar containing hydrogen gas?

The candle extinguishes with a pop sound and the gas burn with a pale blue film.


More from this chapter

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22

Write the reaction of zinc with dil — sulphuric acid.

 23

What is the difference between a strong acid and a weak base?

 25

What will be the color of blue litmus paper on bringing it in contact with a drop of dil. NaOH?

 1

AIM:

Studying the properties of acids (HCl) by their reaction with


(i) Litmus solution (Blue/Red)


(ii) Zinc metal (Zn)


(iii) Solid sodium carbonate (Na2CO3)