Chemistry Which one of the following statement is correct ?Ozone is found in the earth's atmosphere mostly between 20 and 50 km 50 and 100 km 10 and 20 km 5 and 10 km 20 and 50 km 50 and 100 km 10 and 20 km 5 and 10 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry The constituents of automobile exhaust that can cause cancer is/are : Lead Polycyclic hydrocarbons Carbon monoxide Oxides of nitrogen Lead Polycyclic hydrocarbons Carbon monoxide Oxides of nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Terylene is a condensation polymer of ethylene glycol and which acid? Benzoic Acid Phthalic acid Terephthalic acid Salicylic acid Benzoic Acid Phthalic acid Terephthalic acid Salicylic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamond is lustrous because It is pure It is hard It is colourless Its refractive index is high It is pure It is hard It is colourless Its refractive index is high ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the purest commercial form of iron ? Wrought iron Pig iron Stainless steel Steel Wrought iron Pig iron Stainless steel Steel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to pollution of atmosphere by Oxides of carbon and nitrogen None of these Oxides of nitrogen and phosphorous Oxides of nitrogen and sulphur Oxides of carbon and nitrogen None of these Oxides of nitrogen and phosphorous Oxides of nitrogen and sulphur ANSWER DOWNLOAD EXAMIANS APP
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