Draw the stress-strain graph of a loading wire. Mark the following points : i) Elastic limit ii) Fracture point iii) Plastic region iv) Elastic region

When an external force deforms a solid, internal restoring forces are developed in the body giving rise to stress and strain. Draw the stress-strain diagram and mark the positions of elastic limit and the regions of elastic and plastic behaviors.

Compare the general characteristics of the first series of the transition metals with those of the second and third series metals. in the respective vertical columns. Give special emphasis on the following points: (i) electronic configurations (ii) oxidation states iii) Ionisation enthalpies and iv) atomic sizes.

A capillary tube when dipped into water, it is commonly observed that water will rise through the tube. Which of the following is responsible for this? (i)Gravitational force (ii)Viscous force (iii)Nuclear force (iv)Surface tension (v)Elastic force

How many lattice points are here in one unit cell of each of the following lattice? i) Face- centred cubic ii) Face - centred tetralgonal iii) Body - centred

Draw the structures of the following compounds. i: 3-Methylbutanal ii. p-Nitropropiophenone iii. p-Methylbenzaldehyde iv. 4-Methylpent- 3 -en-2-one v. 4-Chloropentan-2-one vi. 3-Bromo-4-phenylpentanoic acid vii. P,p'-Dihydroxybenzophenone viii.Hex-2-en-4-ynoic acid