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प्रश्न
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उत्तर
Potassium carbonate - K2CO3 - `"K"^1"CO"_3^(2-)`
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संबंधित प्रश्न
The atomicities of ozone, sulphur, phosphorus and argon are respectively :
Name the following compounds. Also write the symbols/formulae of the ions present in them :
- CuSO4
- (NH4)2SO4
- Na2O
- Na2CO3
- CaCl2
Give the empirical formula of Acitic Acid CH3COOH.
Identify the following substance:
An alkaline gas A which gives dense white fumes with hydrogen chloride.
Identify the following substance:
Gas C that is colourless and can be used as a bleaching agent.
Match the following:
| Column A | Column B |
| (a) Pb(NO3)2 | (i) rotten eggs smell |
| (b) CO2 | (ii) burns with a pop sound |
| (c) (NH4)2Cr2O7 | (iii) the suffocating smell of sulphur |
| (d) HCI | (iv) lime water turns milky |
| (e) NO2 | (v) crackling sound |
| (f) O2 | (vi) residue swells up |
| (g) H2 | (vii) brown gas |
| (i) H2S | (viii) supports combustion |
| (j) SO2 | (ix) fumes with NH3 solution |
XCl2 is the chloride of a metal X. State the formula of the sulphate and the hydroxide of the metal X.
Name the element in the compound and give the formula of the following compound:
Acetic acid
Write the formula of the following compound:
Potassium zincate
Write the formula of the following compound:
Calcium nitrate
Write the formula of the following compound:
Calcium bicarbonate
Write the formula of the following compound:
Copper [I] sulphide
Write the formula of the following compound:
Copper [II] nitrate
Write the formula of the following compound:
Iron [II] sulphide
Write the formula of the following compound:
Iron [III] hydroxide
Write the formula of the following compound:
Lead [II] chloride
Write the formula of the following compound:
Silver [II] chloride
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
BaCl2
Write the molecular formulae for the following compounds
Mercury (II) chloride
Write the molecular formulae for the following compounds
Magnesium (II) acetate
