Marco wants to investigate the chemical properties of sodium bicarbonate, or baking soda. he plans to carry out the tests below.

test 1: mix a teaspoon of sodium bicarbonate into a cup of warm water to see if it dissolves.

test 2: mix a teaspoon of sodium bicarbonate into a cup of vinegar to see if it fizzes.

test 3: heat a teaspoon of sodium bicarbonate in the oven to see if its melting point is less than 400 degrees fahrenheit.

which statement provides the best assessment of his tests?

its test 2

Explanation:

Only Test 3 will indicate a chemical property of sodium bicarbonate. Tests 1 and 2 will show a physical property of the substance.

Only tests 1 and 2 will indicate chemical properties of sodium bicarbonate. Test 3 will show a physical property of the substance.

Only Test 2 will indicate a chemical property of sodium bicarbonate. Tests 1 and 3 will show a physical property of the substance.

Only tests 1 and 3 will indicate chemical properties of sodium bicarbonate. Test 2 will show a physical property of the substan

answer:

fvbyunjk

explanation:

answer:

6.3 is the answer

explanation:

because it is the ex