Chemistry Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ? Nitrogen Neon Hydrogen Sodium Nitrogen Neon Hydrogen Sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals can displace copper from copper sulphate solution ? Platinum Mercury Gold Iron Platinum Mercury Gold Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea water is saltier than rain water because The air around the sea is saltish Sea beds have salt producing mines Rivers wash away salts from earth and pour them into the sea Sea animals are salt producing The air around the sea is saltish Sea beds have salt producing mines Rivers wash away salts from earth and pour them into the sea Sea animals are salt producing ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used in the artificial ripening of fruits is Butane Acetylene Methane Ethane Butane Acetylene Methane Ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is present under pressure in soft drinks? Nitrogen Carbon dioxide Nitrous oxide Oxygen Nitrogen Carbon dioxide Nitrous oxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the number of moles of CO2 which contains 16 g of oxygen? 0.5 mole 0.25 mole 0.2 mole 0.4 mole 0.5 mole 0.25 mole 0.2 mole 0.4 mole ANSWER DOWNLOAD EXAMIANS APP
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