Question

Please question no. 5 solve it i will mark the answer as brainlist

Answer 1

Answer:

(2) is the correct answer becuse magnisium is not stored in copper utensils

Answer 2

Answer:

Option 2 is the correct answer

Because

•Copper can displace silver in 1st option because copper is more reactive

•However, silver also can displace copper in option third even being less reactive then copper

•in last option copper will displace mercury being more reactive

• But in second option magnesium nitrate will not have any reaction with copper

Hence magnesium nitrate can be stored in copper vessel.