Which TWO observations are evidence that a chemical change is happening? A. A yellow liquid forms as a yellow solid is slowly heated. B. Bubbles of gas are released when a solid is combined with a liquid.

Which TWO observations are evidence that a chemical change is happening?

A. A yellow liquid forms as a yellow solid is slowly heated.

B. Bubbles of gas are released when a solid is combined with a liquid.

C. Solid crystals form as the temperature of a liquid is lowered.

D. Light and heat are given off after a spark ignites a substance.

2 Answers

Which TWO observations are evidence that a chemical change is happening? A. A yellow liquid forms as a yellow solid is slowly heated. B. Bubbles of gas are released when a solid…

Please log in or register to add a comment.

Please log in or register to answer this question.

2 Answers

Please log in or register to add a comment.

Please log in or register to add a comment.

Related questions

Categories

Other Questions