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A shiny brown colored element ‘x’ on heating in air becomes black in cooler name the element ‘x’and black colored compound formed?
1243Why is double the amount of gas collected in one of the test tubes in electrolysis of water than th amount collected in the other? Name this gas?
1032Post New Chemical Engineering Questions
Explain how can I evaluate the thermal relief requirements for double block-in of 98% sulfuric acid?
What is the process of including heat exchangers in ammonia refrigeration system?
In Galvonised iron and stainsteel pipes, in which pipe friction losses will more and why ?
What are the methods involved to test helium leak testing in a vacuum system?
What are the problems that are associated with the expansion joints?
how we can find solubility of liquid in amyl alcohol and relative solubility of amyl alcohol
Dielectric materials in static fields
We wanted to know how to impart various colors to copper wire by simply dipping them into various chemicals, formulations, etc. This copper wire is to be used by us for our hobby of making various art objects from copper wire.
sir,please give me some exam paper for referance. Thanks & Regards,
what is the difference between car seal close/open valves and lock close/open valves?
What is a surfactant?
What is a quick way to calculate frictional pressure drops in carbon steel pipe?
When specifying a cooling tower, should I look up historic wet bulb temperatures for my area or should I take measurements?
Explain what are the criteria involved in choosing mass balances for components?
What is minimum flow required of NG having BTU value of 920 btu/scf for flame stability of LBTU gas of BTU value 220 BTU/SCF against the flow 80KPPH.
