Silver chloride breaks down to form silver and chlorine in the presence of light. what type of reaction is this? a combination reaction, b double-replacement reaction, c single-replacement reaction, d decomposition reaction?

Which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes

The covalent compound acetylene, which is the fuel of the oxyacetylene torch used by welders, has the molecular formula c2h2. the covalent compound benzene, a commercial solvent, has the molecular formula c6h6 each of these covalent compounds contains carbon and hydrogen atoms in a one-to-one ratio. would it be correct to write the chemical formulas of each as ch? explain.

Compare and contrast physical changes with chemical changes.