Chemistry The acid rain destroys vegetations because it contains Nitric acid Ozone Carbon monoxide Sulphuric acid Nitric acid Ozone Carbon monoxide Sulphuric acid 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 20 and 50 km 5 and 10 km 10 and 20 km 50 and 100 km 20 and 50 km 5 and 10 km 10 and 20 km ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following organic compounds has fruity smell? Aldehyde Alcohol Ester Ether Aldehyde Alcohol Ester Ether ANSWER DOWNLOAD EXAMIANS APP
Chemistry German silver used for making utensils is an alloy of Copper, nickel, aluminium Copper, zinc, nickel Copper, zinc, aluminium Copper, silver, nickel Copper, nickel, aluminium Copper, zinc, nickel Copper, zinc, aluminium Copper, silver, nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry What material is used to make electric heater coil ? Iron Copper Silver Nichrome Iron Copper Silver Nichrome ANSWER DOWNLOAD EXAMIANS APP
Chemistry Conduction band electrons have more mobility than holes because they Experience collision less frequently Need less energy to move them Are lighter Have negative charge Experience collision less frequently Need less energy to move them Are lighter Have negative charge ANSWER DOWNLOAD EXAMIANS APP
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