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What do you observe when ammonium hydroxide is added to the aqueous solution of Iron (III) chloride? Write a balanced equation for this.
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What do you observe when ammonium hydroxide is added to the aqueous solution of Lead nitrate? Write a balanced equation for this.
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What do you observe when ammonium hydroxide is added to the aqueous solution of Zinc nitrate? Write a balanced equation for this.
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Why is ammonium hydroxide used in qualitative analysis? Give two equations to justify your answer.
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When ammonium hydroxide is added to solution B, a pale blue precipitate is formed. This pale blue precipitate dissolves in excess ammonium hydroxide, giving an inky blue solution. What is the cation [positive ion] present in solution B? what is the probable colour of solution B?
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Why is water not added to concentrated H2SO4 in order to dilute it?
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Give two balanced reactions of the type to show the following property of sulphuric acid:
Acidic nature
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Give two balanced reactions of the type to show the following property of sulphuric acid:
Oxidising agent
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Give two balanced reactions of each type to show the following properties of sulphuric acid:
Hygroscopic nature
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Give two balanced reactions of the type to show the following property of sulphuric acid:
Non-volatile nature
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Give a chemical test to distinguish between dilute sulphuric acid and dilute hydrochloric acid.
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Give a chemical test to distinguish between dilute sulphuric acid and conc. sulphuric acid.
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Name the products formed when hot and concentrated sulphuric acid reacts with Sulphur.
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Name the products formed when hot and concentrated sulphuric acid reacts with NaOH.
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Name the products formed when hot and concentrated sulphuric acid reacts with Sugar.
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Name the products formed when hot and concentrated sulphuric acid reacts with Carbon.
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Name the products formed when hot and concentrated sulphuric acid reacts with Copper.
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Why is concentrated sulphuric acid kept in air tight bottles?
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Why is H2SO4 is not used as a drying agent for H2S?
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