4) Choose the best answer. Select whether the statement is for Physical change or Chemical change.

Matter changes states.

Physical
Chemical

Acandle’s wick is the fabric string that holds the flame, and it burns down at a constant slow pace when the candle is lit. the wick is usually surrounded by wax. which is the most important property of covalent compounds that makes them useful for making candle wax? a low boiling point a low melting point a high boiling point a high melting point

What is calcium oxide+diphosphorus pentoxide--> calcium phosphate balanced

Na chemical reaction, activation energy increases the of the reactants. this outcome causes the particles to collide, which results in the of new products.