Answer the following questions based on the p-T phase diagram of carbon dioxide as shown in the figure . Is `C0_(2)` solid , liquid, or gas at `15^(@)C` under 56 atm ?

Answer the following questions based on the P-T phase diagram of carbon dioxide: At what temperature and pressure can the solid, liquid and vapour phases of CO_2 co-exist in equilibrium?

Answer the following questions based on the P-T phase diagram of carbon dioxide: What is the efect of decrease of pressure on the fusion and boiling point of CO_2 ?

Answer the following questions based on the P-T phase diagram of carbon dioxide: What are the critical temperature and pressure for CO_@ ? What is their significance?

Answer the following questions based on the P-T phase diagram of CO_2 Describe qualitatively the changes in a given mass of solid CO_2 at 10 atm pressure and temperature -65^@C as it is heated upto room temperature at constant pressure.

Answer the following questions based on the P-T phase diagram of CO_2 CO_2 at 1 atm pressure and temperature 60^@C is compressed isothermally. Does it go through a liquid phase?

Answer the following questions based on the P-T phase diagram of CO_2 What happens when CO_2 at 4 atm pressure is cooled from room temperature at constnat pressure?

Study the diagram and answer the following questions: What does this diagrams shows? Name the step C.

Observe the set of 4 figures A,B,C and D answer the following questions: What kind of association is shown in D.

Observe the set of 4 figures A,B,C and D answer the following questions: Name the organisms and the association in C.

Use the periodic table to answer the following questions. a) Identify elements with five electrons in the outer shell. b) Identify elements that would tend to loose two electrons. c) Identify elements that would tend to gain two electrons. d) Identify the group having metal, non-metal, liquid as well as gas at the room temperature.