Examlex
Which of the following were invented centuries ago in China?
Physical
Pertaining to the body and its physiological processes, as opposed to the mind or spirit.
IUPAC Name
The systematic method of naming chemical compounds as recommended by the International Union of Pure and Applied Chemistry.
Alkane
Hydrocarbons with single bonds only, characterized by the formula CnH2n+2.
Sec-butyl
A radical or substituent derived from butane by removing a hydrogen atom from a secondary carbon, specifically the 2nd position.
Q18: The U.S.debt problem is caused by the
Q35: Most innovations come from just a few
Q48: The benefits principle states that the users
Q55: A person's decision to supply a certain
Q71: Under a progressive tax, the fraction of
Q74: The public assistance program that economists believe
Q75: Economic discrimination occurs when two equal factors
Q84: "Those most able should pay the highest
Q93: A union acts like a monopoly seller
Q123: A proportional tax is one in which