Question

True/False

1) Alloying prevents rusting

2) Burning of a Substance is a chemical change

3) Stretching a spring is a chemical change

4) On mixing magnesium oxide with water, a new Substance called magnesium chloride is formed

5) On mixing baking soda with vinegar, hydrogen gas is produced​

Answer 1

Answer:

true

false

false

true

true

Answer 2

Answer:

True/False

1) Alloying prevents rusting

2) Burning of a Substance is a chemical change

3) Stretching a spring is a chemical change

4) On mixing magnesium oxide with water, a new Substance called magnesium chloride is formed

5) On mixing baking soda with vinegar, hydrogen gas is produced⅚