Decomposition,+Precipitation+or+neither

Different changes


 * < **Change** ||< **Decomposition, precipitation or neither?** ||
 * < A green substance is heated. It turns black and a gas is given off. ||<  ||
 * < Two solutions are mixed together. A white solid is formed. ||<  ||
 * < You burn a piece of toast. It turns black. ||<  ||
 * < One colourless liquid is added to another colourless liquid. They turn pink. ||<  ||
 * < A colourless liquid is added to a green liquid. A green solid forms. ||<  ||
 * < Calcium carbonate is heated. Calcium oxide is formed and carbon dioxide is given off. ||<  ||
 * < A solution of silver nitrate is added to a solution of potassium chloride. A white solid of silver chloride is formed. ||<  ||