Phosphoric acid can be used to clean scale (calcium carbonate) from water fixtures like taps by reacting with it to form products that dissolve easily. warming the phosphoric acid solution would -

a. remove less scale.

b. remove more scale.

c. remove the scale faster.

d. remove scale less quickly.

c. remove the scale faster

Explanation:

Phosphoric Acid is a colorless and odorless inorganic acid.

It is a weak acid with the chemical formula H ₃PO ₄.

This acid is used to make fertilizers. It is also used in the sugar and textile industries.

It can remove the rust easily as it does not dissolve it.

Warm phosphoric acid solution removes the scale faster from water fixtures like taps by reacting with it to form products that dissolve easily.

- "the choice that is not an indicator of a chemical change is "state of matter changes". more common than not, chemical reactions produce energy in the form of light or heat. along with energy, they also produce a new substance called the product that could be in any state of matter (solid, gas, or liquid)."

it is to be noted that an alpha particle is an helium nucleus. so it contains 2 protons 2 neutrons and has a mass number of 4. when alpha decay particles are ejected from the nucleus it gets transformed into an atom which has atomic number less than 2 and a mass number less than 4.

an equation that could represent alpha decay is radium 226 decay of alpha particle forms radon 222.

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