Chemistry The mass number of a nucleus is always less than its atomic number the sum of the number of protons and neutrons present in the nucleus a fraction always more than the atomic weight always less than its atomic number the sum of the number of protons and neutrons present in the nucleus a fraction always more than the atomic weight ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is not a primary greenhouse gases in the Earth's atmosphere Ozone Methane Nitrogen Carbon dioxide Ozone Methane Nitrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method of concentrating the ore which makes use of the difference in density between ore and impurities is called leaching levigation magnetic separation liquation leaching levigation magnetic separation liquation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Persons working in cement plants and lime stone quarries are prone to disease like Cancer Asthma Pneumoconiosis Silicosis Cancer Asthma Pneumoconiosis Silicosis ANSWER DOWNLOAD EXAMIANS APP
Chemistry It is dangerous to leave the car engine running in a closed garage, because it may cause serious pollution due to poisoning by emission of Unburnt petrol SO2 CO2 CO Unburnt petrol SO2 CO2 CO ANSWER DOWNLOAD EXAMIANS APP
Chemistry The sewage obtained from water closets and urinals is known as Sanitary waste Garbage Sullage Industrial waste Sanitary waste Garbage Sullage Industrial waste ANSWER DOWNLOAD EXAMIANS APP
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