Chemistry Removal of carbon particles from air involves the principle of Electrophoresis Sedimentation Precipitation Filteration Electrophoresis Sedimentation Precipitation Filteration ANSWER DOWNLOAD EXAMIANS APP
Chemistry The common name of sodium bicarbonate is Soda lime Soda ash Baking soda Baking powder Soda lime Soda ash Baking soda Baking powder ANSWER DOWNLOAD EXAMIANS APP
Chemistry Why is water not suitable for putting out a petrol fire ? Petrol is too inflammable to be extinguished by water The oxygen content of water is isolated by petrol and thus it helps in burning The heat required for combustion of petrol is very low Water, being heavy, slips below petrol which thus remains in contact with air and burns Petrol is too inflammable to be extinguished by water The oxygen content of water is isolated by petrol and thus it helps in burning The heat required for combustion of petrol is very low Water, being heavy, slips below petrol which thus remains in contact with air and burns ANSWER DOWNLOAD EXAMIANS APP
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 Hard steel contains 0.01 to 0.04 per cent carbon 0.5 to 1.5 per cent carbon 0.1 to 0.4 per cent carbon 2 to 5 per cent carbon 0.01 to 0.04 per cent carbon 0.5 to 1.5 per cent carbon 0.1 to 0.4 per cent carbon 2 to 5 per cent carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Polythene is polymer of Propylene Ethylene Acetylene Aniline Propylene Ethylene Acetylene Aniline ANSWER DOWNLOAD EXAMIANS APP
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