Question

Observation table:




tell me the answer to this question......​

Answer 1

Very Interesting question :

This is the experiment to know whether metals and non metals reacts with acid .

The correct option is none of these:

Explanation :

Metal + Acid ---> Salt +Hydrogen gas

Mg + 2HCl ---> MgCl2 +H2

2Al+ 6HCl---> 2AlCl3 +3H2

Test for H2 gas:

Burning matchstick produces pop sound.

Non metals + Acid ---> No reaction.

Since in all the options nonmetals are present like Charcoal which contains carbon.

Sulphur --- nonmetal

Conclusion : Only in Mg, Al test tubes pop sound is heard. So options does not match with it.

Answer 2

Answer:

1-acid

2-acid

3-gas

4-gas

5-acid

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