Chemistry Interveinal necrotic spots on leaves appear due to NO2injury HF injury SO2injury O3injury NO2injury HF injury SO2injury O3injury ANSWER DOWNLOAD EXAMIANS APP
Chemistry The BOD values of water indicate the Amount of ozone used for biochemical oxidation Amount of oxygen used for biochemical reduction Amount of oxygen used for biochemical oxidation Amount of organic debris Amount of ozone used for biochemical oxidation Amount of oxygen used for biochemical reduction Amount of oxygen used for biochemical oxidation Amount of organic debris ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tear gas used by the police to disperse the mob contains Hydrogen sulphide Carbon dioxide Ammonia Chlorine Hydrogen sulphide Carbon dioxide Ammonia Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Lead pencil contains Lead sulphide Lead Graphite Ferrous sulphide Lead sulphide Lead Graphite Ferrous sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hydrogen is not found in atmosphere because It is the lightest gas It is absorbed by plants It immediately combines with oxygen to form water It is highly inflammable It is the lightest gas It is absorbed by plants It immediately combines with oxygen to form water It is highly inflammable ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of fire extinguisher is used for petroleum fire ? Soda acid type Powder type None of these Foam type Soda acid type Powder type None of these Foam type ANSWER DOWNLOAD EXAMIANS APP
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