Structure of Atom — Chemistry STD 11 Science — Question

Express the following quantities in scientific notations (exponential notations).
34.768

Draw the structure of an aromatic compound that resembles benzene but does not have pleasant odour.

At which places has BARC Mumbai set up irradiation plants for preservation of agricultural produce?

Many organic compounds obtained from natural sources such as resins, balsams, oil of wintergreen, etc. have pleasant fragrance or aroma. Such compounds are named as aromatic compounds.
i. Name the simplest aromatic compound.
ii. Write the names of any two aromatic compounds.

Name type of adsorption in which compound is formed.

Name the ingredients present in dettol.

Propan-1-ol and 2-methypropan-1-ol are not prepared by hydration method. Why?

What are antibiotics?

Nuclear transmutation is a spontaneous or non-spontaneous process?

How is propene obtained by dehalogenation reaction?