[" 5.During newlands time ".............],[" Elements were known."^(***)]

Choose the correct altrernative and write it along with its allotted alphabet : During Newlands' time....... elements were known.

During Newland's time ………… elements were known.

Newlands dissimilar elements are ___________

Newlands octaves first element resembles

When Mendeleev started his work on periodic classification of elements, only__________elements were known.