TRUE OR FALSE?
1.Chemical reactions takes place everyday.
2.To balance chemical equations, a subscript must be added to each elements
3.In the Law of Mass Conservation, there should be equal number of atoms of every
element in each side of the chemical equation
4.A chemical equation is a shorthand for chemical reactions,
5.A chemical equation is considered balance when each side of the equation has the
same elements.
6.Starting materials in a reaction is called the products.
7.Chemical reaction is an example of chemical change.
8.Rusting of iron shows a chemical reaction
9.Chemical change and physical change are the same.
10.Temperature can affect the rate of chemical reaction.
11.Chemical formulas of element symbols are used instead of names in writing chemical
equations.
12.Coefficients are whole numbers written in front of the symbols or formula, which
represents the number of its atom.
13.To separate the reactants and the products, an arrow ( - ) is placed in between
them. The tip of an arrow indicates the direction of the reaction and this represents
the word produce, yield, or form.
14.A chemical equation is composed of two parts which is the reactant and a product.
15.Chemical equation is used to illustrate chemical reaction using symbols, formulas,
and signs​