Answer:
Explanation:
For example, ionic compounds, which are very polar, are often soluble in the polar solvent water. Nonpolar substances are likely to dissolve in nonpolar solvents. For example, nonpolar molecular substances are likely to dissolve in hexane, a common nonpolar solvent.
Increased in pitch (frequency). It's the doppler effect.
Answer: A catalyst is a chemical that increases the rate of a chemical reaction without itself being changed by the reaction. The fact that they aren't changed by participating in a reaction distinguishes catalysts from substrates, which are the reactants on which catalysts work. Enzymes catalyze biochemical reactions.
Explanation: dont need one read that or look it up idk
Ans : C - enzymatic action on carbohydrates ( enzyme amylase catalyses carbohydrate to maltose here in the mouth )
