Science, asked by dilkhushanchliya, 21 hours ago

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Answered by HRIDI23

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Answer:

metal a is Na and b is Mg

na is more reactive than mg as it is an alkali metal and mg is alkaline earth metal.

2na+2hcl→ 2nacl+ H2

mg+2hcl→ mgcl2+h2

let me know if I'm correct. hope it helps

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