Chemical Process The yield of tar from high temperature carbonisation of dry coal is about __________ percent. 22 12 3 0.3 22 12 3 0.3 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Helium is produced on commercial scale from None of these Natural gas Air Coke oven gas None of these Natural gas Air Coke oven gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Permanent hardness of water can be removed by Adding alum Simply boiling Passing it through cation & anion exchangers All of these Adding alum Simply boiling Passing it through cation & anion exchangers All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Nylon 66 is so named because the Polymer was first synthesised in 1966 Average degree of polymerisation of the polymer is 1966 Number of carbon atoms between two nitrogen atoms are 6 Number of nitrogen atoms between two carbon atoms are 6 Polymer was first synthesised in 1966 Average degree of polymerisation of the polymer is 1966 Number of carbon atoms between two nitrogen atoms are 6 Number of nitrogen atoms between two carbon atoms are 6 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the wrong statement pertaining to the properties of glasses. Glasses generally have Low co-efficient of thermal expansion High electrical insulation properties Compressive strength much greater than their tensile strengths Sharp melting points Low co-efficient of thermal expansion High electrical insulation properties Compressive strength much greater than their tensile strengths Sharp melting points ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Proximate analysis of coal determines its __________ content. Moisture & volatile matter Moisture, sulphur, nitrogen & fixed carbon Moisture, ash, sulphur & volatile matter None of these Moisture & volatile matter Moisture, sulphur, nitrogen & fixed carbon Moisture, ash, sulphur & volatile matter None of these ANSWER DOWNLOAD EXAMIANS APP
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