The answer is actually D. The pH of the products can be different from the pH of the reactants. Hope this helps :)
Water is H2O, whereas Hydrogen Peroxide is H2O2 -> the extra oxygen atom changes the substance entirely.
Answer: <u>The respiratory system </u>
Explanation: It includes the nose, mouth, throat, voice box, windpipe, and lungs. Air enters the respiratory system through the nose or the mouth.
Answer:
A
Explanation:
Chemical compound
Lead(II) chloride is an inorganic compound which is a white solid under ambient conditions. It is poorly soluble in water. Lead(II) chloride is one of the most important lead-based reagents. It also occurs naturally in the form of the mineral cotunnite.