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प्रश्न
What do you understand by the term metal?
उत्तर
The elements which are generally hard solids, have lusture, are malleable and ductile and good conductors of heat and electricity are called metals.
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संबंधित प्रश्न
Which property of copper and aluminium makes them suitable for making cooking utensils and boilers?
Name one non-metal which is stored under water.
Name two non-metals which are both brittle and non-ductile.
Which property of iron metal is utilised in producing iron sheets required fro making buckets?
Which property of copper metal is utilised in making thin wires?
State one use of Hydrogen.
Name a non-metal that is used for cancer therapy
Fill in the blank.
A non-metal used to purify water is ______.
Tick (√) the most appropriate answer.
Sodium amalgam is prepared by dissolving sodium in :
State two important uses of following non-metal
Uses of oxygen
State two important uses of following non-metal
Uses of chlorine
Name:
a non- metal used in alloys
Name:
two metallic oxides which are amphoteric
Name:
the most abundant metal and the most abundant non=metal
Name:
a metal whose oxide is reduced only by carbon
Explain how the activity series accounts for each of the following:
reaction with acids
Identify the odd term.
Complete the statement given below, by filling in the blank with the correct word:
A metal which floats on water _____
_______ is basic oxide.
Compounds obtained from non–living sources are called ______.
