Answer:
Option (C) 3
Explanation:
The pH scale is a scale that ranges from 0 to 14. The pH reading has various notifications. These notifications are as follow:
1. If the pH reads between 0 and 6, then the solution is acidic.
2. If the pH reads 7, then the solution is neutral.
3. If the pH reads between 8 and 14, then the solution is basic.
With the above information, option C is the correct answer to the question.
Answer:
water and oxygen
Explanation:
this is because
iron + water + oxygen ----> hydrated iron (III) oxide (which is rust in lame terms )
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it is defined as the ratio of moles of one substance to the moles of another substance in a balanced equation. To determine the mole ratio between two substances, all you need to do is look at the balanced equation for the coefficients in front of the substances you are interested in.
Answer:
Adding impurities to a solution, in most cases, increases the boiling point of the solution. This occurs because the presence of impurities decreases the number of water molecules available to become vaporized during boiling.
Explanation:
