Give an example for the motion of an object of zero speed and with non zero acceleration?

Read each statement below carefully and state with reasons and examples, if it is true or false , A particle in one-dimensional motion (a) with zero speed at an instant may have non-zero acceleration at that instant (b) with zero speed may have non-zero velocity, (c) with constant speed must have zero acceleration, (d) with positive value of acceleration must be speeding up.

Give an example of extraction of a non-metal by oxidation.

Give an example of non daltonic compound?

Give an example of non-aromatic Compound.

Give an example of a non-polar and a polar molecular solid?

Position-time graph for motion with zero acceleration is

Give an example of a constant polynomial and of a zero polynomial each.

Give example of two processes where Delta S is zero.

Give example of a non-nucleophilic anion.