Chemistry The acid rain destroys vegetations because it contains Carbon monoxide Sulphuric acid Ozone Nitric acid Carbon monoxide Sulphuric acid Ozone Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The filter over which sewage is sprinkled is called as Percolating filter Intermittent sand filter Contact bed Trickling filter Percolating filter Intermittent sand filter Contact bed Trickling filter ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has least negative electron gain enthalpy S Cl F P S Cl F P ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most commonly used substance in fluorescent tubes? Sodium oxide and argon Sodium vapour and neon Mercury vapour and argon Mercury oxide and neon Sodium oxide and argon Sodium vapour and neon Mercury vapour and argon Mercury oxide and neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Suspension particles have the size between 10–1 – 10–2 cm 10–8 – 10–10cm 10–5 – 10–7cm 10–2 – 10–4 cm 10–1 – 10–2 cm 10–8 – 10–10cm 10–5 – 10–7cm 10–2 – 10–4 cm ANSWER DOWNLOAD EXAMIANS APP
Chemistry Browning of paper in old books is caused by Oxidation of cellulose Lack of aeration Collection of dust Frequent use Oxidation of cellulose Lack of aeration Collection of dust Frequent use ANSWER DOWNLOAD EXAMIANS APP