Question 7. Name two metals which will displace hydrogen from dilute acids, and two metals which will not.
Answer: Iron and aluminium will displace hydrogen from dilute acids as they more reactive then hydrogen. Mercury and copper cannot displace hydrogen from dilute acids as they are less reactive than hydrogen.
Answer: Iron and aluminium will displace hydrogen from dilute acids as they more reactive then hydrogen. Mercury and copper cannot displace hydrogen from dilute acids as they are less reactive than hydrogen.
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ReplyDeleteIsn't it that copper can also displace hydrogen? Looks like the answer is a bit wrong
ReplyDeleteYes copper can displace hydrogen form concentrated sulfuric acid or hydrochloric acid
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ReplyDeletecopper can displace hydrogen form concentrated sulfuric acid or hydrochloric acid.
ReplyDeleteZinc as well can display hydrogen from dilute acid
ReplyDeleteZinc as well can display hydrogen from dilute acid
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ReplyDeleteThanx for help sir
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