find percent equivalent to given ratio 7 : 28​​

Step-by-step explanation:

13. The population of Chennai in the year 2016 is 8% more than the population

of the same in the year 2015. In July 2016, 12% of total population migrated to

Madurai and in the month of December 75% of them returned again to Chennai.

If the population in Chennai in 2015 was 3 lakh, then what was the population

of Chennai in the beginning of 2017?

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Happiness is an emotional state characterized by feelings of joy, satisfaction, contentment, and fulfillment. While happiness has many different definitions, it is often described as involving positive emotions and life satisfaction.

Answer:

If you add salt to the water, you raise the water's boiling point or the temperature at which it will boil. The temperature needed to boil will increase by about 0.5 C for every 58 grams of dissolved salt per kilogram of water. This is an example of boiling point elevation, and it is not exclusive to water.i hope this answer helps you

Explanation:

Water containing salt increases the rate of Oxidation reaction​ (corrosion) of metals.

Explanation:

• Corrosion is a 'redox' reaction.
• It involves reduction of oxygen into hydroxide ions and oxidation of metallic Iron to Iron cations.
• In redox reaction, electrons are transferred from the metal to oxygen.
• The presence of salt in the water increases the reaction because it increases the conductivity of water, as a result, increasing the concentration of ions in the water and thus increasing the rate of oxidation (corrosion) of the metal.

Answer:

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