Question

Hydrogen is not evolved when a metal reacts with

Answer 1

Answer:

acid

Explanation:

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Answer 2

Answer:

A- Na

B- Cl

C- NaCl

D- NaOH

Explanation:

A is Na as it burns with golden flame.

B is Cl as its atomic no. is 17

Na and Cl reacts to produce sodium chloride

2Na + Cl2 -----> NaCl

So, C is NaCl

When NaCl reacts with water it forms NaOH

2NaCl + 2H2O --------> 2NaOH + H2 + Cl2

So, D is NaOH

hope it helped!

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