Tag: general characteristics and uses of metals
Questions Related to general characteristics and uses of metals
Formula of density is:
Which of the following is used to galvanize metals, making them resistant to oxidation (rusting)?
Beryllium, when combined with trace of chromium forms a gemstone called___________.
Aluminium foils are used for:
Soft metals which can be cut with a knife is/are :
Articles made of metals produce ringing sound when struck hard.
Metals are generally hard. Which of the following metals is an exception and can be cut with a knife?
A metal M which is one of the best conductor of heat and electricity used in making electric wires is found in the nature as sulphide ore, $M _2S$. Name the metal M.
Metals generally have ______ number of electron(s) in their valence shell.
Metals are usually hard. Hence metals are strong and can withstand heavy loads over them. Due to this property, they are difficult to cut and can be used in the construction of heavy machines, building etc.
On the other hand, non-metals are usually brittle. On hammering them they break into small pieces converting themselves into a fine powder.