What do you mean by the term alum
What do you mean by the term alum? Also illustrate its uses?
Expert
Alum is the chemical (that is, aluminum potassium sulphate); it tends to be whitish powder with many uses, comprising:
a) As an astringent.b) As an anti-bacterialc) As a food preservative.d) As the Styptic pencil to heal the shaving cuts.e) To stem the flow of minor blood cuts and loss.f) Soaked to the materials to make them flame retardant.
Calculate the change in entropy for the system for each of the following cases. Explain the sign that you obtain by a physical argument a) A gas undergoes a reversible, adiabatic expansion from an initial state at 500 K, 1 MPa, and
order of decreasing basicity of urea and its substituents
give atleast two application of following colligative properties
Help me to go through this problem. On dissolving 1 mole of each of the following acids in 1 litre water, the acid which does not give a solution of strength 1N is: (a) HCl (b) Perchloric acid (c) HNO3 (d) Phosphoric acid
The pressure-temperature relation for solid-vapor or liquid vapor equilibrium is expressed by the Clausis-Clapeyron equation.We now obtain an expression for the pressure-temperature dependence of the state of equilibrium between two phases. To be specific,
During processing of food, several chemicals are added to it to augment its shelf life and to make it more attractive as well. Main types of food addi
Aryl halides are much less reactive towards nucleophilic substitution reactions than haloalkanes. The less reactivity of aryl halides can be described
Which of the following solutions will have a lower vapour pressure and why? a) A 5% aqueous solution of cane sugar. b) A 5% aqueous solution of urea.
Choose the right answer from following. In a solution of 8.7g benzene C6H6 and 46.0 gm toluene ,(C6, H5, CH3) the mole fraction of benzene in this solution is: (a)1/6 (b)1/5 (c)1/2 (d)1/3
how haloalkane can be prepared by refluxing alcohol with hydrohalic acids
18,76,764
1933786 Asked
3,689
Active Tutors
1430316
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!