Chemistry Browning of paper in old books is caused by Oxidation of cellulose Collection of dust Frequent use Lack of aeration Oxidation of cellulose Collection of dust Frequent use Lack of aeration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Extensively used nitrogenous fertilizer is Ammonium sulphate Urea Nitro-lime Ammonium nitrate Ammonium sulphate Urea Nitro-lime Ammonium nitrate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Lead in water can cause Kidney damage Arthritis Eye disease Hair falling Kidney damage Arthritis Eye disease Hair falling ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid present in red ants is Caproic acid Acetic acid Butyric acid Formic acid Caproic acid Acetic acid Butyric acid Formic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following, which one pollutes the air of a big city ? Copper Chromium Lead Cadmium Copper Chromium Lead Cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Wax used for making candle is chemically a mixture of Aliphatic and aromatic hydrocarbons Cyclic hydrocarbons Aromatic hydrocarbons Aliphatic hydrocarbons Aliphatic and aromatic hydrocarbons Cyclic hydrocarbons Aromatic hydrocarbons Aliphatic hydrocarbons ANSWER DOWNLOAD EXAMIANS APP