Chemistry Browning of paper in old books is caused by Oxidation of cellulose Frequent use Collection of dust Lack of aeration Oxidation of cellulose Frequent use Collection of dust Lack of aeration ANSWER DOWNLOAD EXAMIANS APP
Chemistry One property of ammonia is It is a odourless gas Its aqueous solution turns red litmus blue It is a yellowish gas It is insoluble in water It is a odourless gas Its aqueous solution turns red litmus blue It is a yellowish gas It is insoluble in water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea weeds are important source of Chlorine Bromine Iodine Iron Chlorine Bromine Iodine Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following statement is correct ?Ozone is found in the earth's atmosphere mostly between 50 and 100 km 5 and 10 km 10 and 20 km 20 and 50 km 50 and 100 km 5 and 10 km 10 and 20 km 20 and 50 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry Indane gas is mixture of Methane and oxygen Butane and hydrogen Butane and propane Butane and oxygen Methane and oxygen Butane and hydrogen Butane and propane Butane and oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Particulates (< 1 µm size) remaining suspended in air indefinitely and transported by wind currents are called Aerosols Smoke Mists Fumes Aerosols Smoke Mists Fumes ANSWER DOWNLOAD EXAMIANS APP
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