Advertisements
Advertisements
प्रश्न
Mark ‘T’ if the statement is true and ‘F’ if it is false.
Copper displaces zinc from zinc sulphate solution. ( )
पर्याय
True
False
उत्तर
Copper displaces zinc from zinc sulphate solution. (F)
APPEARS IN
संबंधित प्रश्न
Fill in the following blanks with suitable words:
A metal having low melting point is ..................... but a non-metal having very high melting point is ..............
State one use of Aluminium.
Fill in the following blank with suitable word:
The electrical conductivity and melting point of an alloy is ........... than that of pure metals.
Mention two uses of the following metals and non-metals
Iodine
Write ‘True’ or ‘False’ in front of following statement.
Brass is an alloy of copper and zinc and has lustrous yellow colour.
Write scientific reason.
Anodes need to be replaced from time to time during the electrolysis of alumina.
The electronic configuration of metal ‘A’ is 2,8,1 and that of metal ‘B’ is 2,8,2. Which of the two metals is more reactive? Write their reaction with dilute hydrochloric acid.
State the position of the following in the periodic table:
Halogens
With reference to the following metals state their use in daily life metal:
Magnesium
Soft metal : Na : : hard metal : _______
