Melamine polymer is formed by the condensation of :
Drugs used to bind to receptors, inhibiting its natural function and blocking a message are called:
Choose the correct order of density of the alkali metals.
The compound(s) that is(are) removed as slag during the extraction of copper is(A)CaO,(B)FeO,(C)Al2O3,(D)ZnO,(E)NiOChoose the correct answer from the options given below :
During the denaturation of proteins, which of these structures will remain intact?
The interhalogen compound formed from the reaction of bromine with excess of fluorine is a :
Which one of the following reactions does not represent correct combination of substrateand product under the given conditions?
The enthalpy of combustion of propane, graphite and dihydrogen at 298 K are –2220.0 kJ mol–1, –393.5 kJ mol–1 and –285.8 kJ mol–1, respectively. The magnitude of enthalpy of formation of propane (C3H8) is _____ kJ mol–1. (Nearest integer)
The IUPAC nomenclature of an element with electronic configuration [Rn] 5f146d17s2 is
Among Co3+, Ti2+, V2+ and Cr2+ ions, one if used as a reagent cannot liberate H2 from dilute mineral acid solution, its spin-only magnetic moment in gaseous state is________ B.M. (Nearest integer)
The photochemical smog does not generally contain :
In the above reaction ‘A’ is
Choose the correct answer from the options given below:
CNG is an important transportation fuel. When 100 g CNG is mixed with 208 g oxygen in vehicles, it leads to the formation of CO2 and H2O and produced large quantity of heat during this combustion, then the amount of carbon dioxide, produced in grams is _____. [nearest integer] [Assume CNG to be methane]
