Metals Nonmetals

Which of the following is a 'Froth Floatation' process used for?

What is the percentage of Carbon in Cast Iron?

The process of heating the ore in excess of air below its melting point is:

Which metal reacts with cold water vigorously?

What is the composition of Duralumin?

Which reducing agent is used in the Blast Furnace for the extraction of Iron?

Anodizing is a process used primarily for which metal?

Which metal is used in the 'Thermite Process' for welding railway tracks?

Magnalium is an alloy consisting of:

German Silver contains which of the following metals?

What is the main chemical change during the rusting of iron?

Which metal does not react even with steam?

Which of these is the purest form of Iron?

Aqua regia is a mixture of concentrated HCl and HNO3 in the ratio:

Which metal is used in the galvanization process?

Which of the following ores is concentrated by Magnetic Separation?

The electronic configuration of a metal 'M' is 2, 8, 2. It belongs to which group?

Silver glance is which type of ore?

What is the purpose of adding limestone in the extraction of iron?

Which metal is used for making electric heater coils?