Chemistry The mass of one Avogadro number of helium atom is 4 x 6.02 x 1023 gram 1.00 gram 4.00 gram 8.00 gram 4 x 6.02 x 1023 gram 1.00 gram 4.00 gram 8.00 gram ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . Ultraviolet rays (UV) X–rays Infra-red (IR) Gamma rays Ultraviolet rays (UV) X–rays Infra-red (IR) Gamma rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of hydrogen atoms in a Glucose molecule 12 8 6 14 12 8 6 14 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Interveinal necrotic spots on leaves appear due to O3injury NO2injury SO2injury HF injury O3injury NO2injury SO2injury HF injury ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a greenhouse gas ? Carbon dioxide Hydrogen Chlorofluorocarbon Nitric oxide Carbon dioxide Hydrogen Chlorofluorocarbon Nitric oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sour taste of lemon is due to the presence of which of the following ? Citric acid Formic acid Acetic acid Oxalic acid Citric acid Formic acid Acetic acid Oxalic acid ANSWER DOWNLOAD EXAMIANS APP
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