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प्रश्न
Write the formula of the following compound:
Zinc sulphate
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उत्तर
Zinc sulphate - ZnSO4 - `"Zn"^(2+)["SO"_4]^(2-)`
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संबंधित प्रश्न
Write down the formulae of sodium sulphide.
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(ii) magnesium chloride ?
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Formula of iron (lll) oxide is FeO.
Identify the following substance:
An alkaline gas A which gives dense white fumes with hydrogen chloride.
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 |
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Potassium sulphate
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State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
NaCO3
Write the molecular formulae for the following compounds
Calcium (II) phosphate
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