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प्रश्न
Write the balanced equation for the preparation of the following compounds, starting from iron and other substance:
lead sulphate using dilute sulphuric acid.
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उत्तर
\[\ce{Pb(OH)2 + dilute H2SO4 → PbSO4 + 2H2O}\]
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संबंधित प्रश्न
You are provided with the following chemicals:
NaOH, Na2CO3, H2O, Zn(OH)2, CO2, HCI, Fe, H2SO4, CI2, Zn.
Using the suitable chemicals from the given list only, state briefly how you would prepare iron (III) chloride.
How many salts can be obtained from ortho phosphoric acid? Is there any difference in the salts formed by the acid?
State how would you prepare copper (II) oxide from
Copper Carbonate
Write the equation for the laboratory preparation of sodium sulphate using dilute sulphuric acid.
Write the equations for the reaction to prepare lead sulphate from lead carbonate.
Give the equation for the preparation of the following salt from the starting material given.
Iron (III) Chloride from Iron
For each of the salt: A, B, C and D, suggest a suitable method of its preparation.
A is a sodium salt.
Choose the most appropriate answer from
(SO2, SiO2, Al2O3, CO, MgO, Na2O)
A covalent oxide of a metalloid.
Mention the colour changes observed when the following indicators are added:
| Solution | Acids | Alkalies |
| (a) Alkaline phenolphthalein solution | ||
| (b) Methyl orange solution | ||
| (c) Neutral litmus solution |
Select the word/s given which are required to correctly complete the blanks.
If a piece of magnesium was put into a solution M, ______ gas would be evolved.
