Please select a subject first
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State the term defined by the following sentence:
The insoluble solid formed when two solutions are mixed together.
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Write the balanced equation for the preparation of the following compound (as major product) starting from iron and using only one other substance:
Iron (II) chloride
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Write the balanced equation for the preparation of the following compound (as major product) starting from iron and using only one other substance:
Iron (II) sulphate
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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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Why the alkali is added drop by drop to the salt solution?
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- Name the experiment illustrated below.
- State the colour of the water that has entered the round-bottomed flask.
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What property of hydrogen chloride is demonstrated when it is collected by downward delivery (Upward displacement)?
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Explain with a diagram the preparation of aqueous ammonia.
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Give two balanced reactions of the type to show the following property of sulphuric acid:
Dehydrating nature
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Give a chemical test to distinguish between dilute sulphuric acid and dilute hydrochloric acid (using lead nitrate solution).
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Name the acid formed when sulphur dioxide dissolves in water.
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Name the gas released when sodium carbonate is added to a solution of sulphur dioxide.
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Name the anion present in the following compound:
Compound D, when warmed with dilute sulphuric acid, gives a gas that turns acidified dichromate solution green.
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Distinguish by a chemical test, sulphuric acid from nitric acid and hydrochloric acid.
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State your observation when lead nitrate solution and sodium chloride solution are mixed.
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State your observation when zinc chloride solution, zinc nitrate solution, and zinc sulphate solutions are added individually to barium chloride solution.
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The gas evolved when dilute sulphuric acid reacts with iron sulphide.
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An acid obtained from concentrated nitric acid on reaction with Sulphur ______.
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State the following:
The drying agent used in the laboratory preparation of HCl gas.
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Write a balanced equation for the following conversion:
Lead sulphate from lead nitrate and sulphuric acid.
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