Advertisements
Advertisements
प्रश्न
State your observation for the following case :
Moist blue litmus is introduced into a gas jar of sulphur dioxide.
Advertisements
उत्तर
Litmus turns blue to red, and then gets bleached.
APPEARS IN
संबंधित प्रश्न
Give balanced chemical equations for the action of sulphuric acid on the following:
Sulphur
Distinguish between the given pair of compounds using the test given within brackets:
Sodium nitrate and sodium sulphite (using dilute sulphuric acid).
Give two balanced reactions of the type to show the following property of sulphuric acid:
Acidic nature
Why is H2SO4 is not used as a drying agent for H2S?
How will you distinguish between dilute H2SO4 and conc. H2SO4 ?
Give main difference between drying agent and dehydrating agent.
Sulphuric acid can be used to prepare a number of gases in the laboratory. Write balanced equation for the reaction from which the folllowing gas are obtained, using dilute sulphuric acid as one of the reactant : Hydrogen
Write the equation of the following reaction:
Sulphur is heated with concentrated sulphuric acid.
Give balanced chemical equation to prepare the following salt:
Sodium sulphate using dilute sulphuric acid
Differentiate between the following pair based on the criteria given in the bracket:
Cane sugar and hydrated copper sulphate [using concentrated H2SO4]
