Chemistry The material used in the manufacture of lead pencil is Graphite Mica Lead Carbon Graphite Mica Lead Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass of one Avogadro number of helium atom is 4.00 gram 4 x 6.02 x 1023 gram 8.00 gram 1.00 gram 4.00 gram 4 x 6.02 x 1023 gram 8.00 gram 1.00 gram ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of an atom consists of electrons and protons electrons and neutrons All of these protons and neutrons electrons and protons electrons and neutrons All of these protons and neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer of atmosphere absorbs: All radiations of Light Ultraviolet rays Cosmic rays. Infra-red rays All radiations of Light Ultraviolet rays Cosmic rays. Infra-red rays ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen fixation is a process of Conversion of organic nitrogen to proteins Utilisation of nitrogen gas Conversion of molecular nitrogen to ammonia Assimilation of nitrate Conversion of organic nitrogen to proteins Utilisation of nitrogen gas Conversion of molecular nitrogen to ammonia Assimilation of nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry If lime water is kept in the air, it turns milky due to presence of : Sulphurdioxide Nitrogen Carbondioxide Oxygen Sulphurdioxide Nitrogen Carbondioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
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