10 thclass ps

The sulphide ore of mercury is _________

The process of changing carbonate ores into oxides by heating strongly in limited air is called ________

The process of converting sulphide ores into oxides strongly in the presence of excess air is called _________

Metal oxides which react with both acids as well as bases to produce salts and water are known as ____________

An allotrope of carbon which is a conductor of electricity is _________

The hardest allotrope of carbon is __________

The non- metal which is in liquid state is _________

The metal which exists as solid at room temperature is _________

The most ductile metal is ________

The ability of metals to be drawn into thin wires is called ______