Name the process of coating zinc over Iron so as to protect It from rusting

Pollen grains if angiosperms are non-motile. So, they have to be carried to the stigma by external agents. a. Name the process of transfer of pollen grains from the anther to the stigma of flower. b. Write the name of three such agents.

Name the process involved in the synthesis of protein from mRNA. Explain the process.

Name the process by which introns are removed from mRna.

The process of obtaining a coating of one metal over another metal using electrolysis is known as...

Communication is the process of sending informa tion from one place to another by electric signals. Name the two types of electric signal.

Name the process from which chlorine is obtained as a by-product.What will happen if an aqueous solution of Na Cl is subjected to electrolysis?

Glucose is commercially prepared from a polysaccharide. i. Which is the polysaccharide used for the production of glucose? ii. Name the process involved in the formation of glucose in the above method.

Iron may be protected from rusting by coating with zinc or tin. Explain why zinc protects iron more effectively than tin once the protection coating has been seratched, using the data given, Zn^2++2 e^- Zn,-0.76 ~V Fe^2++2 e^4 Fe,-0.44 ~V Sn^2 *+2 e^- S n,-0.14 ~V

Iron can be protected by coating with copper or tin. But if the coating is brokèn, iron corrodes faster than it dòes in the absence of Cu or tin. Why?

a) Name the ore of Iron? b) Which reduces lon from iron oxide in the blast furnace? c) Write the chemical equation for the reduction of iron.