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प्रश्न
Why is concentrated sulphuric acid kept in air tight bottles?
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उत्तर
Concentrated sulphuric acid is a hygroscopic substance that absorbs moisture when exposed to air. Hence, it is stored in air tight bottles.
संबंधित प्रश्न
Distinguish between the given pairs of compounds using the test given within brackets:
Dilute sulphuric acid and dilute hydrochloric acid (using barium chloride solution)
Why is water not added to concentrated H2SO4 in order to dilute it?
Give two balanced reactions of the type to show the following property of sulphuric acid:
Oxidising agent
Why is H2SO4 is not used as a drying agent for H2S?
Give reason for the following:
Cotton clothes get burnt with concentrated sulphuric acid.
Describe the reaction that show
Concentrated sulphuric acid is a non-volatile acid.
Write balanced equation for the reaction between iron and dilute sulphuric acid.
Write the equation for the laboratory preparation of the following salts, using sulphuric acid.
Sodium Sulphate from sodium carbonate.
Write balanced equation for potassium hydrogen carbonate and dilute sulphuric acid.
Identify the salts P and Q from the observation given below:
On performing the flame test salt P produces a lilac coloured flame and its solution gives a white precipitate with silver nitrate solution. Which is soluble in ammonium hydroxide solution.
