Physics, asked by mirmuzain786, 7 months ago

d) Which of the following has variable valency?
a. Iron & copper
b. Magnesium & hydrogen
c. Potassium & copper
d. Magnesium & Iron

Answers

Answered by jlsea2019

4

Answer:

a

Explanation:

iron and copper have variable valency

Answered by harshpinder03

2

Answer:

option A hope it will help

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