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What is the purpose of heating the solution in the preparation of ferrous ammonium sulphate until the crystallization point is reached?

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Important Questions on Preparation and Characterisation of Substances

EASY
Chemistry>Practical Chemistry>Preparation and Characterisation of Substances>Lab Activity: Preparation of Mohr's Salt
Cotyledons are also called-
MEDIUM
Chemistry>Practical Chemistry>Preparation and Characterisation of Substances>Lab Activity: Preparation of Mohr's Salt
What are the reactants used in the preparation of Mohr's salt?
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Chemistry>Practical Chemistry>Preparation and Characterisation of Substances>Lab Activity: Preparation of Mohr's Salt
What is the risk associated with prolonged heating during the preparation of crystals of ferrous ammonium sulphate?
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Chemistry>Practical Chemistry>Preparation and Characterisation of Substances>Lab Activity: Preparation of Mohr's Salt
What is the color of the crystals obtained in the preparation of ferrous ammonium sulphate?
MEDIUM
Chemistry>Practical Chemistry>Preparation and Characterisation of Substances>Lab Activity: Preparation of Mohr's Salt
What is the function of adding 2-3 mL of dilute sulphuric acid during the preparation of aqueous solutions of ferrous sulphate and aluminium sulphate?
HARD
Chemistry>Practical Chemistry>Preparation and Characterisation of Substances>Lab Activity: Preparation of Mohr's Salt
While preparing crystals of Mohr's salt, dil. H2SO4 is added to a mixture of ferrous sulphate and ammonium sulphate, before dissolving this mixture in water, dil. H2SO4 is added here to: