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प्रश्न
Give the formula of the following gas:
Hydrogen chloride
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उत्तर
Hydrogen chloride – HCI
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संबंधित प्रश्न
Give two examples of the following :
Solid + Solid mixture
Explain the significance of the symbol H.
What is a symbol? What information does it convey?
Write the formula of the compound formed – given symbols and combining power or capacity (valency) of the following element in the compound.
Ca2+ NO31-
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
Write the radical of the following valency:
magnesium
Select the correct answer to the statement given below:
An element present in the earth’s crust, atmosphere and the human body.
Name three metals whose symbols are derived: from their Latin names.
Describe the different ways in which we can write the symbols of elements. Give appropriate examples.
The symbol of tungsten is _______.
