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q important applications of indiumthe most important applications of indium are in protection of bearings against wear and erosion in low melting
q what is the use of galliumgallium is mainly used in semiconductor technology it is used for doping other semiconductor and in solid state devices
q illustrate important catalyst of aluminiumanhydrous alcl3 is an important catalyst used in organic synthesis and in the cracking of petroleum
q uses of aluminiumaluminium exhibits useful properties of low density high thermal and electrical conductivity and good corrosion resistance with
q why we use boronboron is used to increase the hardness of steels crystalline boron is used in transistors boron is a good neutron absorber and is
q how can we obtain pure aluminapure alumina is obtained from bauxite ore powdered bauxite mineral is heated in a concentrated solution of sodium
q extraction of aluminiumaluminium cannot be extirpated economically from the silicate minerals therefore bauxite is the most important ore for the
what are some fungal diseases transmitted by animal fecesbat and pigeon feces can carry histoplasma capsulatum the fungus agent of histoplasmosis the
q how can we obtain boronboron is- obtained by the red-action of b2o3 with magnesium or sodium b203 is first prepared by strongly katingh3b03 which
q occurrence of group 13 elementboth boron and aluminium have a high affinity for oxygen so neither of them is found native boron occurs principally
elements of group 13 are namely boron aluminium gallium indium and thallium while studying the alkali and alkaline earth metals you have seen that
what is the parasite that causes toxoplasmosis how is the disease transmitted and what are its typical manifestationstoxoplasmosis is caused by the
what is the etiological agent of visceral leishmaniasis how is the disease transmitted and what are its typical manifestationsvisceral leishmaniasis
what is the etiological agent of cutaneous leishmaniasis how is the disease transmitted and what are its typical manifestationsthe etiological agent
what are the main manifestations of leishmaniasisthere are two major forms of leishmaniasis cutaneous leishmaniasis and visceral leishmaniasis also
what is the etiological agent of amebiasis how is it transmitted and what are the typical manifestations of the diseaseamebiasis is caused by the
what are other important human diseases caused by protozoanssome other significant protozoan infections are amebiasis trichomoniasis giardiasis
what are the intermediate and the definitive hosts of the plasmodiumin the life cycle of the plasmodium humans are the middle hosts where asexual
what is the vector of malaria how different is its behavior from the behavior of the vector of dengue feverthe vector of malaria is a mosquito of the
what are the etiological agents of malariathe etiological agents of malaria are protozoans of the genus plasmodium there are four dissimilar types of
what is prophylaxisprophylaxis are measures taken to stop diseases for instance the use of condoms in sexual relations is a prophylaxis against
what is the incubation period of an infection incubation period is the time interval among the infection by an agent that causes disease and the
what is the life cycle of trypanosoma cruzi trypanosoma cruzi is a heteroxenous parasite ie it has an intermediate host the triatomine bug and an
what is the vector of chagas disease how is the disease transmittedthe vector of chagas disease is its middle host a triatomine bug the major species
under which forms is the trypanosoma cruzi found in its hostsin the definitive hosts as well as in triatomine bugs middle hosts the protozoan that