Answer:
it is a chemical reaction in which one element replaces an/other element in a compound. It can be represented generically as: A + B-C → A-C + B This will most often occur if A is more reactive than B, thus giving a more stable product.
Answer:
Explanation:
A pure substance is made up solely of that substance and can't be separated into any other substances. A mixture can be separated into two or more pure substances
Answer:
C. melamine
Explanation:
a thin coating that eliminates reflections and glare from the front and back surfaces of your lenses.
10. the thing in the slide wasnt centered so the microscope magnefied on nothing 11. mive it tight 12. idk what a um is
Answer:
can u send the qsn 4rm the start so tt I can help
