Metals and Non-...

Which of the following property is generally not shown by metals?

The ability of metals to be drawn into thin wire is known as

Which one of the following metals do not react with cold as well as hot water?

What happens when calcium is treated with water?

(i) It does not react with water.

(ii) It reacts violently with water.

(iii) It reacts less violently with water.

(iv) Bubble of hydrogen gas formed stick to the surface of calcium.

Generally metals react with acids to give salt and hydrogen gas. Which of the following acids does not give hydrogen gas on reacting with metals (except Mn and Mg)?

Metals are refined by using different methods. Which of the following metals are refined by electrolytic refining?

(i) Au

(ii) Cu

(iii) Na

(iv) K

Galvanisation is a method of protecting iron from rusting by coating with a thin layer of:

Stainless steel is very useful material for our life. In stainless steel, iron is mixed with:

If copper is kept open in air, it slowly loses its shining brown surface and gains a green coating. It is due to the formation of:

Generally, metals are solid in nature. Which one of the following metals is found in liquid state at room temperature?