Q1 and 2 and pls give the reasons as well

Dear student,
  1. The answer is GOLDSCHMIDT REACTION. Thermite reaction releases an enormous amount of heat . This heat can be used by the Goldsmith in making jewellery, utensils, etc. This reaction also known as Goldschmidt reaction.
  2. The answer is STEEL AND CHROMIUM .Stainless steel is an alloy of Iron with a minimum of 10.5% Chromium. Chromium  makes a thin layer of oxide on the surface of Iron known as the 'passive layer'. This passiv layer prevents corrosion of the surface.
Regards

  • 0
Not a clear question click fresh image
  • 0
What are you looking for?