Discuss the pathology and clinical features of amoebiasis. How the disease is treated ?

What is the causative organism of amoebiasis? State the symptoms of the disease.

Discuss the principles of extraction of copper from its sulphide ore. How does it react with dil and conc. HNO_3 ? Give reactions.

Mention the mode of transmission of the amoebiasis disease causing pathogen.

How is diethyl ether prepared in the laboratory ? How will you distinguish it from ethanol and diphenyl ether. What happens when it is treated with hot HI ?

Discuss important features of solid catalysts with reference to activity and selectivity.

Discuss in detail the preparation of benzene diazonium chloride from aniline. Why it is not separated in solid state and used as soon as produces in solution? How can you convert benzene diazonium chloride to fluoro and iodobenzene.

Discuss with your teacher and find out how to distinguish between Exonuclease and endonuclease

Discuss the effect of depth on the value of ‘g’ and at an altitude h and explain how it varies to the rotation of the earth.

Discuss any two methods for preparing benzoic acid. How benzoic acid is converted to benzoyl chloride?

Which of the following statements regarding the disease typhoid is/are correct ? (i) Salmonella typhi are the pathogenic bacteria which enter human intestine through contaminated food and water migrate to other organs through blood. (ii) Sustained high fever (39^(@)C " to " 40^(@)C) , weakness, stomach pain, constipation, headache and loss of appetite are some common symptons of typhoid. (iii) Widal test is used for diagnosis of typhoid fever. (iv) The patient of this disease is not required to be treated with antibiotics.