I'm assuming you mean THC, Tetrahydrocannabinol, which is the chemical in Marijuana. So marijuana is the only drug that will test positive for THC.
It stands for hydrocarbons
Ask a pharmacist or a doctor.
HC stands for High Cube
Hexane and benzene do not react in the ignition test. Only acetylene does. Acetylene has a triple bond if equivalent amount of KMnO4 is used. The equation is HCCH + KMnO4 -> HC (OH) = CH(OH).
There is no element called Hc
No, you get to keep all your hc furni.
HC on an ultrasound means Head Circumference.
High Hydrocarbon (HC) emissions are almost always a sign of poor fuel ignition. Hydrocarbons are basically raw fuel. PPM (parts-per-million) is a way of quantifying small concentrations.
You can only buy HC furniture in habbo if you join the Habbo Club (HC). Joining HC costs around 30 coins per month, and will give you one free HC item per month. If you are not HC, you can still have the furniture, but you can not buy it from the catalogue.
Normally, HC gas is Hydrocarbon.
HC Vladimir was created in 2008.
HC Vrchlabí was created in 1948.