Chemistry Which metal does not undergo corrosion due to the formation of oxide layer? Iron Aluminium Copper Zinc Iron Aluminium Copper Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicles which causes air pollution is Carbon dioxide Carbon Monoxide Methane Ozone gas Carbon dioxide Carbon Monoxide Methane Ozone gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used for making aircrafts and rockets is Copper Nickel Lead Aluminium Copper Nickel Lead Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid used in lead storage cells is Phosphoric acid Hydrochloric acid Sulphuric acid Nitric acid Phosphoric acid Hydrochloric acid Sulphuric acid Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Organic compounds are Ionic compounds Covalent compounds Interstitial compounds Co-ordination compounds Ionic compounds Covalent compounds Interstitial compounds Co-ordination compounds ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Ozone Carbon monoxide Water vapour Carbon dioxide Ozone Carbon monoxide Water vapour Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
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