Chemistry
State one relevant observation for the reaction : Sulphide ore is added to a tank containing oil and water and then stirred or agitated with air.
Related Questions
Give one word or a phrase for the statement : The substance prepared by adding other metals to a base metal in appropriate proportions to obtain certain desirable properties.
Fill in the blank from the choices given in bracket: An alloy used to make statues is ………….. [bronze,brass,fuse metal]
Match the alloys given in column I with the uses given in column II
Column I Column II (i) Duralumin A: Electrical fuse (ii) Solder B: Surgical instruments (iii) Brass C: Aircraft body (iv) Stainless steel D: Decorative articles Name the gas evolved when : Alumina undergoes electrolytic reduction.