One teacher responded that it was a chemical change
because, according to him, Anil tears a piece of chapatti and it cannot be returned to its original shape.
Physical and chemical change
in textbooks: An initial view.
A comprehensive chemical change
will take effect about one to three minutes further down the line (9-11 minutes of roasting), with a correspondingly marked darkening in bean color.
Smelter--Device that melts or fuses (as ore), often producing an accompanying chemical change
to separate the metal.
The title of Serra's installation, The Matter of Time, references many things, among them the experiential narrative visitors undergo as they weave in and out of Serra's massive curving blades, as well as the mutable processes of chemical change
evident in the surface of the oxidising steel sculptures.
2) The scientific consensus is that the image is a result of a chemical change
in the linen cellulose fibrils which has been produced by a thermal/chemical means.
Pauli says chemical change
does take place when products are irradiated, but that the levels of toxins like benzene are so low as to be of no concern.
Later, at 1112 [degrees] F (600 [degrees] C) a chemical change
starts to take place, removing the water that is part of the chemical structure of clay.
The concept of physical and chemical change
is far from being the clearest and most self-explanatory concept in the world.
The aging process of rubber is logically a chemical change
ultimately manifesting itself in a physical shift of mechanical properties.
Section VII: Reactivity Information - A substance is said to be reactive if it readily enters into chemical reactions and undergoes chemical change
. For MSDS purposes, the reactions can be grouped into three broad categories:
Another chemical change
that may be taking place during the rapid weight loss program is a sudden increase in mucous secretion in the gallbladder, Mitchell Shiffman, M.D., another researcher, noted.
The purpose of this requisition is to install supply electricity to newly acquired motors and other equipment to operate in a flammable environment due to a chemical change
in the process at Aerothane Applications (Pty) Ltd.
CW4: In a chemical change
, new substances are formed, which may have specific properties related to their uses in everyday life.
The epigenetic factor that has been studied is a chemical change
on the DNA strand following a certain pattern, known as DNA methylation.