this chemical equation balances 2Na+ 2H2O 2NaOH+H2 how does this equation show the conservation of matter in a chemical reaction?

answer; the sound of a train whistle makes a woman think of an old friend; //

the smell of grass makes a by feel that spring is the best; (apex);

answer; continous;

answer; bona fide occupational qualification; (bfoq);

answer; internal; covert processes;