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How does nitric acid reacts with metals in different concentrations?
Explain why nichrome and not copper is used as heating element whereas manganin is used as standard resistance? For heating elements, primary requirements are high melting poin
Molecular weight of orthophosphoric acid is M. Its equivalent weight is
Formula of a metallic oxide is MO.The formula of its phosphate will be: (1) M 2 (PO 4 ) 2 (2) M (PO 4 ) (3) M 2 (PO 4 ) (4) M 3 (P
The lactone, a cyclic ester, can form an enolate ion, and this ion is alkylated by methyl iodide.
Q. Determine the taste threshold for different sensations? • perceive the individual differences existing for taste stimulation, and • identify your own threshold and iden
Q. What is Activation Energy? Ans. Colliding molecules which overcome the activation energy form an activated complex. In the activated complex, original bonds are partial
Delocalisation of electrons in conjugated system is called resonance. For example there is delocalisation of electrons in benzene ,hence we write kekule structure for benzen.
How are the following conversions carried out? (i) Benzyl chloride to benzyl alcohol, (ii) Methyl magnesium bromide to 2- methlpropan -2-ol,
why cerium oxides is less soluble in water?
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