CC LL#1 Interpreting Chemical Reactions

Choose the best description below for the image

Choose the best description below for the image

Which of the following is an example

of a chemical change?

Which is an example of a physical

change?

The reactants in the image above are:

Two chemicals reacted and one of the products stays dissolved in the solution (water). What symbol is used to indicate this?

How many oxygen atoms are in the products for the chemical reaction below? $$3Fe\ +4O_2\ -->\ 2Fe_2O_3$$  

Which of the following substances are SOLUBLE (dissolved) in water?

​ ​ Al_(s) + ​ ZnCl_{2 (aq)} → ​ Zn_(s) + ​ AlCl_{3 (aq)}

In a reaction A + B ----> C,  reactant A has 5g and product  C has 9g.

How many grams is reactant B?