Observe the figure given below and name the gas produced also give the chemical equation.

Give the chemical name of teflon.

Identify figure given below are polyhedrons.

Identify figure given below are polyhedrons.

Identify figure given below are polyhedrons.

When zinc metal is treated with a dilute solution of a strong acid, a gas is evolved, which is utilised in the hydrogenation of oil. Name the gas evolved. Write the chemical equation of the reaction involved and also write a test to detect the gas formed.

Iqbal treated a lustrous, divalent element M with sodium hydroxide. He observed the formation of bubbles in reaction mixture. He made the same observations when this element was treated with hydrochloric acid. Suggest how can he identify the produced gas. write the chemical equations for both the reactions.

Refer to the figures given below and answer the question that follows : Give one example of an animal that has evolved along with Tasmanlan wolf.

Name a gas produced in photosynthesis.