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प्रश्न
Select the correct answer to the statement given below:
An element present in the earth’s crust, atmosphere and the human body.
पर्याय
Chalk
Oxygen
Silicon
Bromine
Nitrous oxide
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उत्तर
Oxygen
APPEARS IN
संबंधित प्रश्न
The scientist who proposed the first letter (or first letter and another letter) of the Latin or English name of
an element as its symbol, was :
Explain the terms 'valency' and 'variable valency'.
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of it
Chloride
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of it
Oxide
Select the correct answer from the choice given below.
The type of element-phosphorus
Give the symbol of the following element:
Neon
State the type of element for the following:
Zinc
Write the radical of the following valency:
Zinc
Give the formula of the following gas:
Nitrogen
Name the elements with the following symbols.
- Na
- W
- Ba
- Al
- U
