In a chemical reaction, the substance or substances formed are called:
Products.
React.
Reactants.
Produce.
An arrow pointing downwards (↓) besides a product when a chemical equation is written shows that:
None.
A gas is released.
A liquid is released.
A solid is deposited.
A ... reaction involves the conversion of substances into other substances with different compositions and properties.
Physical.
Equation.
Chemical.
