What does the pH scale measure?

The pH scale measures the acidity or alkalinity of a solution. It indicates the concentration of hydrogen ions (H+) in a solution, with values ranging from 0 to 14. A pH value of 7 is considered neutral, while values below 7 indicate acidity and values above 7 indicate alkalinity.

R0001)Al-Diwaniyah is south of Baqubah which is not as far north as
Sulaymaniyah. Al Habbaryah is west of Baghdad which is east of Baqubah. Al
Habbaryah is situated:
ANorth of Sulaymaniyah.
B–South of Al-Diwaniyah and west of Baqubah.
C–South of Sulaymaniyah and north of Al-Diwaniyah and can be between
Baqubah and Baghdad.
D–East of Baqubah and south of Al-Diwaniyah.
2.(DMDR0010)This child is a menace. All menaces are annoying.
A.YES/ NO –All children are menaces.
B.YES/ NO –All annoying things are menaces.
C.YES/ NO –Some menaces are annoying.
D.YES/ NO –Some menaces are children.
E.YES/ NO –Some children are annoying.
3.(DMEA0001)Should the law be changed to force all soft-drinks manufacturers
to label sugar content clearly on their packaging?
A–Yes, children are particularly fond of sugary soft drinks, which can damage
their health.
B–Yes, attempts to get the drinks industry to label sugar content on a voluntary
basis have given mixed results.
C–No, the majority of countries have no equivalent legislation and not all of
those have a population obesity problem.
D–No, the cost of monitoring the accuracy of labelling would be passed on to
the consumer.