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Describe the working principle of ultra capacitors with a neat and suitable sketch.
To what value will the pressure increase supposing the cylinder volume doesn’t change?
The reactions of Photosynthesis in green plants use carbon-dioxide and water to produce glucose (C6H12O6) and oxygen. Write down the balanced chemical equation for the reaction.
Cellulose is as well a carbohydrate. Why don’t people state you to eat lots of cellulose previous to an athletic event? Ensure your answer describes the chemical difference between cellulose a
A reaction has been designed to be taken out in a 5 ml total volume. It needs a final glycine concentration of 20 µM. If the protocol permits 200µl for the glycine addition, what concent
A citrate buffer should be made up to a final concentration of 50mM. You require making up 2L. You have to stock solutions from which to make this buffer
Make a visual timeline displaying the evolution of our understanding of the atom.
What is cetane number? Describe the relation between cetane and chemical constituent of fuel.
Write down the chemical composition of soda glass and two applications. What is enamel? Write down the names of constituents of enamels.
Describe Killani-Fischer Synthesis and Ruff Degradation. State the Arrhenius equation and describe the terms in it. Derive an expression for the rate constant of zero order reaction.
What is froth floatation method? State the ores concentrated by this method. Describe the preparation and uses of Lead tetracetatate and Zinc sulphate.
Describe the influence of temperature on the reaction rates. Describe the colorimetric method of determination of kinetics of a reaction.
Describe keto-enol tautomerism with suitable example. What do you mean by mutarotation and mesomeric effect? Describe the mechanism of nitration in benzene. Derive kinetic expression of order reaction
How is copper extracted from its ore? Describe Van-Arkel Deboyer’s method. Explain gravity separation process. Describe the electrolytic refining process.
Think critical: from the given symbols, choose two elements that are likely to form an ionic bond: O, Ne, S, Ca, and K. Next, select two elements that would likely form a covalent bond. Explain.
What is buffer index? Write equation to calculate buffer index. Describe common ion effect. How is it utilized for controlling the concentration of weak electrolyte?
What are heterocyclic compounds? Write down the methods of synthesis and reaction of furan.
What are amino acids ? Explain different methods of synthesis of amino acid. What is combinatorial chemistry? Give the strategies used in Deconvolution method.
Explain in detail Antigen-Antibody reactions.What are different types of vaccines? Write the method for preparation of BCG vaccine.
Explain supersaturation and describe Mier's theory with its limitations. Explain evaporation. Name different types of evaporators. Describe multiple effect evaporator in detail.
What is hardness of water? Explain different methods used to remove temporary and permanent hardness of water.
What are tannins? Distinguish between Pale catechu and Black Catechu. Write about General features of Umbelliferous drugs. Give chemical constituents and uses of Dill fruit.
Explain physicochemical properties of aerosols systems with reference to solution, suspension and emulsion.
Define the term ‘Hormones’. Explain the chemistry and biological actions of adrenocorticoids.
Describe sample collection procedures for the analysis of different parameters in water samples? What must be nature of containers for sample collection?