Chemistry The major constituent of air is nitrogen oxygen hydrogen carbon dioxide nitrogen oxygen hydrogen carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of a hydrogen atom consists of 1 electron only 1 proton + 2 neutron 1 proton only 1 neutron only 1 electron only 1 proton + 2 neutron 1 proton only 1 neutron only ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical used in developing photographic films is Hypo Silver bromide Sodium sulphate Hydroquinone Hypo Silver bromide Sodium sulphate Hydroquinone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is not a characteristic of transition metals? Low ionization energy Tendency to gain electrons Low electronegativity Malleability Low ionization energy Tendency to gain electrons Low electronegativity Malleability ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is a covalent compound ? Sodium chloride Calcium chloride Carbon tetrachloride Magnesium fluoride Sodium chloride Calcium chloride Carbon tetrachloride Magnesium fluoride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following coal contains 90 per cent of carbon? Peat Anthracite Lignite Bitumen Peat Anthracite Lignite Bitumen ANSWER DOWNLOAD EXAMIANS APP
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