Please select a subject first
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Choosing only substances from the list given in the box below, write equations for the reactions which you would use in the laboratory to obtain:
(i) Sodium sulphate
(ii) Copper sulphate
(iii) Iron (II) sulphate
(iv) Zinc carbonate
| Dilute sulphuric acid |
Copper, Iron, |
Copper carbonate, Sodium carbonate |
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Write the balanced equation for the preparation of the following compounds, starting from iron and using other substance: Iron (II) chloride
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Write the balanced equation for the preparation of the following compounds, starting from iron and other substance:
Iron (II) sulphate
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Write the balanced equation for the preparation of the following compounds, starting from iron and other substance:
Iron (II) sulphide
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Write the equation for the laboratory preparation of sodium sulphate using dilute sulphuric acid.
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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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Write equation for the laboratory preparation of the following salt, using sulphuric acid: Iron (II) sulphate from the iron.
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Choosing the correct words given in brackets, complete the sentence given below: Copper sulphate from copper.
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Choosing the correct words given in brackets, complete the sentence given below: Lead sulphate from lead nitrate.
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Choosing the correct words given in brackets, complete the sentence given below: Sodium sulphate from sodium carbonate.
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Which of the following methods, (a), (b), (c), (d) or (e) is generally used for preparing the chlorides listed below from (i) to (v). Answer by writing down the chloride and the letter pertaining to the corresponding method. Each letter is to be used only once.
(a) Action of an acid on a metal.
(b) Action of an acid on an oxide or carbonate.
(c) Direct combination.
(d) Neutralization of an alkali by an acid.
(e) Precipitation (double decomposition).
(i) copper(II) chloride.
(ii) iron(II) chloride.
(iii) iron(IIl) chloride.
(iv) lead (II) chloride.
(v) sodium chloride.
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The preparation of lead sulphate from lead carbonate is a two step process (lead sulphate cannot be prepared by adding dilute sulphuric acid to lead carbonate)
What is the first step that is required to prepare lead sulphate from lead carbonate?
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Carbon dioxide and sulphur dioxide gas can be distinguished by using ______.
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The diagram given below is to prepare iron (III) chloride in the laboratory.
(i) What is substance B?
(ii) What is the purpose of B?
(iii)Why is iron (III) chloride to be stored in a closed container?
(iv) Write the equation for the reaction between iron and chloride ?
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Write the equations for the reaction to prepare lead sulphate from lead carbonate.
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Match the salts given in Column I with their method of preparation given in Column II:
| Column I | Column II | ||
| (i) | Pb(NO3)2 from PbO | (a) | Simple displacement |
| (ii) | MgCl2 from Mg | (b) | Titration |
| (iii) | FeCl3 from Fe | (c) | Neutralization |
| (iv) | NaNO3 from NaOH | (d) | Precipitation |
| (v) | ZnCO3 from ZnSO4 | (e) | Combination |
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Write the equation for the following reaction:
Magnesium sulphate solution is mixed with barium chloride solution.
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Give the equation for the preparation of the following salt from the starting material given.
Copper sulphate from copper (II) oxide
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Give the equation for the preparation of the following salt from the starting material given.
Iron (III) Chloride from Iron
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Give the equation for the preparation of the following salt from the starting material given.
Potassium sulphate from potassium hydroxide solution
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