Why is the percentage of oxygen today the same as it was
thousands years ago, even though the whole world inhals it?






Why is the percentage of oxygen today the same as it was thousands years ago, even though the whole..

Answer / guest

Because plants take carbon-dioxide to make their food and so
the balance remains the same

Is This Answer Correct ?    3 Yes 0 No

Post New Answer




More General Chemistry Interview Questions

what is the formula of diesel,petrol & CNG too?

10 Answers   NTPC,


Explain the Isobars?

1 Answers  


What is the composition of air ?

2 Answers  


What is german silver?

0 Answers  


What materials are needed in making glass ?

2 Answers  






What is the reaction that occurring between fas and potassium dichromate?

0 Answers  


Why is starch indicator added towards the end point?

0 Answers  


Why is glass electrode called an ion selective electrode?

0 Answers  


Acid value defination is numbber milligrams of KOH required to nuetralise the acid present in one gram oil & fats but why not use NaOH for nuetralisation?

5 Answers  


What is the role of stannous chloride?

0 Answers  


What is Electrovalence?

1 Answers  


Differentiate between modern periodic table and mendeleevs table?

0 Answers  






Categories
  • Organic Chemistry Interview Questions Organic Chemistry (301)
  • Inorganic Chemistry Interview Questions Inorganic Chemistry (123)
  • Analytical Chemistry Interview Questions Analytical Chemistry (1251)
  • Physical Chemistry Interview Questions Physical Chemistry (62)
  • General Chemistry Interview Questions General Chemistry (478)
  • Chemistry AllOther Interview Questions Chemistry AllOther (189)