Chemistry The gas dissolved in water that makes it basic is : Carbon dioxide Hydrogen Ammonia Sulphur dioxide Carbon dioxide Hydrogen Ammonia Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry All isotopes of the same element have ________ Different atomic numbers and different atomic mass The same atomic number but different atomic masses The same atomic number and the atomic mass Different atomic numbers and the same atomic mass Different atomic numbers and different atomic mass The same atomic number but different atomic masses The same atomic number and the atomic mass Different atomic numbers and the same atomic mass ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following group of gases contributes to the 'Green House Effect'? Carbon dioxide and Methane Carbon monoxide and Sulphur dioxide Carbon tetraflouride and Nitrous oxide Ammonia and Ozone Carbon dioxide and Methane Carbon monoxide and Sulphur dioxide Carbon tetraflouride and Nitrous oxide Ammonia and Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in solar cells contains Thallium Caesium Silicon Tin Thallium Caesium Silicon Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Table salt gets moist during rainy season because Sodium chloride contains some quantity of sodium iodide Sodium chloride is hygroscopic Sodium chloride contains hygroscopic impurities like magnesium chloride Sodium chloride is deliquescent Sodium chloride contains some quantity of sodium iodide Sodium chloride is hygroscopic Sodium chloride contains hygroscopic impurities like magnesium chloride Sodium chloride is deliquescent ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is an example of noble gas ? Helium Chlorine Hydrogen Nitrogen Helium Chlorine Hydrogen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
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