Q85 of 102 Page 79

The least reactive metal among the following is:

Silver is least reactive and is placed below all these metals in reactivity series of metals.

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83

Which of the following element is a metalloid?

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Which of the following elements will produce an oxide that will dissolve in water to form an acid?

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You are given a solution of iron sulphate. Which of the following do you think cannot displace iron from iron sulphate?

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When a vessel is exposed to moist air for a long time, then a green coating is formed on its surface. The vessel must be made of: