Chemistry Which is the purest commercial form of iron ? Pig iron Wrought iron Stainless steel Steel Pig iron Wrought iron Stainless steel Steel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver nitrate solution is kept in brown bottles in laboratory because 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 Brown bottles react with it Brown bottles do not react with it It reacts with ordinary white bottles ANSWER DOWNLOAD EXAMIANS APP
Chemistry When iron rusts, its weight First increases and then decreases Decreases Remains the same Increases First increases and then decreases Decreases Remains the same Increases ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not coal variety? Dolomite Lignite Peat Bituminous Dolomite Lignite Peat Bituminous ANSWER DOWNLOAD EXAMIANS APP
Chemistry Freon' used as refrigerants is chemically Fluorinated aromatic compound Chlorinated hydrocarbon Fluorinated hydrocarbon Chlorofluoro hydrocarbon Fluorinated aromatic compound Chlorinated hydrocarbon Fluorinated hydrocarbon Chlorofluoro hydrocarbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Thermal electricity is generated by using which of these ? Coal and Natural Gas only Coal, Natural Gas and Petroleum Coal only None of these Coal and Natural Gas only Coal, Natural Gas and Petroleum Coal only None of these ANSWER DOWNLOAD EXAMIANS APP