Answer:
Here are some disadvantages
Explanation:
Hard water does not pose a health threat.
Hard water can contribute to dry skin and hair.
Hard water is unfit for washing as it is difficult to form lather with soap.
Trimming of kettles will take place due to the formation of magnesium and carbonates of calcium.
The Taste/Smell
Lather
Dishwashing Ability
Clothes-Washing Ability
Staining
Limescale Buildup
Corrosion
Answer:
Aluminum chromate, a yellow precipitate.
Explanation:

Pneumonia is an infection of the lungs caused by fungi, bacteria, ... These conditions include asthma, cystic fibrosis, diabetes, and heart failure.
True because increasing the temperature it gets hotter
I think the b is right ( Saturated Alkyne)