Chemistry Surface water is a better source of drinking water because it is poor in Dust Arsenic Bacteria Algae Dust Arsenic Bacteria Algae ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionisation energy of hydrogen atom in the ground state is x KJ. The energy required for an electron to jump from 2nd orbit to 3rd orbit is 5x/36 5x 7.2 x x/6 5x/36 5x 7.2 x x/6 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Formic acid is produced by Cockroaches Red ants Mosquitoes White ants Cockroaches Red ants Mosquitoes White ants ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is an iron ore ? Bauxite Nitrite Magnetite Lignite Bauxite Nitrite Magnetite Lignite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound that has the least value for octane number is : N-heptane 2,2-dimethyl hexane Iso-octane 2-methyl heptane N-heptane 2,2-dimethyl hexane Iso-octane 2-methyl heptane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Interveinal necrotic spots on leaves appear due to SO2injury O3injury HF injury NO2injury SO2injury O3injury HF injury NO2injury ANSWER DOWNLOAD EXAMIANS APP
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