Blue
When red litmus paper comes into contact with any alkaline substance, it turns blue. Some examples of alkaline substances are ammonia gas, milk of magnesia, baking soda and limewater.
Answer:
d. Enzymes are broken down by the reactions they catalyze.
Explanation:
Answer:
An exothermic reaction is a chemical reaction that releases energy by light or heat. Endothermic reaction is a chemical reaction that absorbs energy or heat from its surroundings
Explanation:
Chlorine would become a liquid. Its boiling point is around -34 Celsius so at any temperature below that it would be liquid.