Materials Metal...

In which of the following processes electric current is used to coat iron or steel with a layer of tin or chromium?

In which of the following processes iron object is protected from rusting by dipping it into molten zinc?

Which of the following elements forms acidic oxides?

Which of the following elements forms coloured compounds?

Which of the following statements is true about reaction of metals and non-metals with water?

Which of the following statements is not true about the reaction of metals and non-metals with acids?

Which of the following metals does not replace copper from copper sulphate solution?

Aluminium is used in making of airplanes because

The fertilizers used for the enhancement of growth of plants contain compounds of which of the following non-metals?

Which of the following happens when metals are treated with hydrogen?

Which one of the following options is the difference between the chlorides of metals and non–metals?

The corrosion of iron can be avoided by

Which of the following reactions is not true according to the chemical properties of metals and non–metals?

The elements which form positive ions by losing electrons are known as

Which of the following elements is a non-metal?

Which of the following substances exhibits properties between metals and non-metals?

Which of the following options is a metal?

Smelting is a process in which metal oxides are reduced with

Which of the following statements gives the reason due to which hydrogen is placed in group 1, along with metals?

The impurities present in minerals are known as _______.