Which of these is a physical property of a substance? O Flammability
O Heat of combustion
O Reactivity
OSize and shape

In the reaction between a crushed antacid tablet and vinegar what gas is emitted

What will most likely happen when two bromine atoms bond together?

Pastoral farming is best described as a. a method of raising livestock and moving herds b. an african method of agriculture c. a method of cultivating crops on poor soils d. a common method of desert farming select the best answer from the choices provided a b c d