Explain the dangers of electricity and the safety precautions required.

CN^(ɵ) is oxidised by a strong oxidising agent to NO_3^(ɵ) and CO_2 or CO_3^(2-) depending upon the acidity of the reaction mixture. HNO_3 a strong oxidising agent is reduced by a moderate reducing agent to NO. Write the balanced equation of HNO_3 with KCN. CH^(ɵ)toCO_2+NO_3^(ɵ) NO_3^(ɵ)NO If this reaction is carried out, what safety precautions are required?

Describe the usefulness of incineration of wastes, and also mention the precautions required in it.

Explain the main functions of electric and magnetic fields in a cyclotron.

Explain the concept of electric potential difference in terms of work done in transferring the charge.

Which statement best explains the generation of electrical energy in a simple cell ?

The following questions pertain to the laboratory prepration of hydrogen chloride. Gas : Write the equation for its preparation ,menfioning the condition required . Name the drying agent used in the above preparation and give a reason for the choice. (iii State a safety precaution taken during the preparation of hydrochloric acid .

What is hydro energy? Explain the principle of genrating electricity from hydro energy. How much hydro electric power is generated in India?

The following questions are pertaining to the laboratory preparation of hydrogen chloride gas : State a safety precaution you would take during the preparation of hydrochloric acid.

What are carcinogens? Explain the causes, major types, danger signals and treatment of cancer.

(a) why are transgenic animals so called? (b) Explain the role of transgenic animals in (i) vaccine safety and (ii) biological products with the help of an example each