Chemistry The amount of chlorine available in water after disinfection is called as Combined available chlorine Residual chlorine Free available chlorine Free chlorine Combined available chlorine Residual chlorine Free available chlorine Free chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water Magnesium Manganese None of these Calcium Magnesium Manganese None of these Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is used in the manufacture of fertilizers ? Potassium Lead Aluminium Fluorine Potassium Lead Aluminium Fluorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following nonmetals shows allotropy in the liquid state? Sulphur Bromine Phosphorous Carbon Sulphur Bromine Phosphorous Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most pure form of Carbon among the options is Graphite Anthracite Wood Charcoal Lampblack Graphite Anthracite Wood Charcoal Lampblack ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver nitrate solution is kept in brown bottles in laboratory because Brown bottles react with it Brown bottles do not react with it It reacts with ordinary white bottles Brown bottles stops the passage of light through it Brown bottles react with it Brown bottles do not react with it It reacts with ordinary white bottles Brown bottles stops the passage of light through it ANSWER DOWNLOAD EXAMIANS APP
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