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प्रश्न
Give the formula of the following acid:
Sulphuric
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उत्तर
Sulphuric – H2SO4
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संबंधित प्रश्न
Explain the significance of the symbol H.
The atoms of which of the following pair of elements are most likely to exist in free state ?
How are the elements with variable valency named? Explain with an example.
Match the formulas of the following gases with their correct names :
Gases - (a) H2 (b) N2 (c) O2 (d) Cl2 (e) HCI (f) NH3 (g) CO (h) CO2 (i) SO2 (j) NO (k) NO2.
Names:
(1) Ammonia (2) Nitrogen Dioxide (3) Oxygen (4) Hydrogen (5) Nitrogen (6) Chlorine (7) Carbon Monoxide (8) Sulphur Dioxide (9) Nitrogen Monoxide (10) Carbon Dioxide (11) Hydrogen Chloride
State the type of element for the following:
Chlorine
State the type of element for the following:
Lead
Write the radical of the following valency:
Bromine [Bromide]
Write the radical of the following valency:
Carbonate
Name the elements with the following symbols.
- Na
- W
- Ba
- Al
- U
In the same way in chemistry, each element is denoted by a ______.
