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प्रश्न
State the type of element for the following:
Platinum
पर्याय
Metal
Non-metal
Metalloid
Noble gas
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उत्तर
Metal
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संबंधित प्रश्न
Give the symbols and valencies of following radicals:
(a) Hydroxide (b) Chloride
(c) Carbonate (d) ammonium
(e) Nitrate
What do you understand by :
Noble gases
On what principle are the following methods of separation based? Give one example of a mixture for each of the methods mentioned in which they are used
Magnetic separation
What do the following symbol stand for?
H2
State the type of element for the following:
Carbon
State the type of element for the following:
Boron
State the type of element for the following:
Bromine
Give the formula of the following gas:
Nitrous oxide
Select the correct answer to the statement given below:
An element present in the earth’s crust, atmosphere and the human body.
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Mercury
write symbol with the variable valency
